Question 1

Classification — organizational terms: select the word that does NOT denote a concrete collective entity.

Accepted Answer

Introduction / Context: Three options name concrete collectives; one primarily names a function/discipline or the act of managing. The challenge is to separate abstract function from organizational entity. Given Data / Assumptions: Organisation → a structured entity. Team → a defined group of people. Corporation → a legal/juridical entity. Management → the activity/process (and sometimes a cadre) of managing; conceptually different from an entity label. Concept / Approach: Prefer the dominant/common meaning: “management” primarily denotes a function or field of study, not a stand-alone entity type like a corporation. Step-by-Step Solution: 1) Organisation/Team/Corporation → nominal entities.2) Management → function/discipline, thus semantically distinct.3) Hence, “Management” is the outlier. Verification / Alternative check: Can each be preceded by “incorporated” or “registered”? Works for “organisation” or “corporation”, not for “management”. Why Other Options Are Wrong: They denote collectives, matching the majority pattern. Common Pitfalls: Equating “management” (people in charge) with a legal entity label; even then, its core meaning remains functional, not entity-type. Final Answer: Management

Question 2

Classification — primes vs composite: identify the single number that does NOT belong with the primes.

Accepted Answer

Introduction / Context: Number classification frequently contrasts prime numbers with a lone composite. You need to find the only number that has nontrivial divisors besides 1 and itself. Given Data / Assumptions: 19, 29, 23 are well-known primes. 27 is 3 * 3 * 3 (i.e., 3^3), thus composite. Concept / Approach: Apply primality checks: for two-digit candidates under 30, test divisibility by small primes (2, 3, 5). Step-by-Step Solution: 1) 19 → not divisible by 2, 3, 5 → prime.2) 29 → not divisible by 2, 3, 5 → prime.3) 23 → not divisible by 2, 3, 5 → prime.4) 27 → divisible by 3 (27 = 3 * 9) → composite.5) Therefore 27 is the unique non-prime. Verification / Alternative check: Digit-sum test for divisibility by 3: 2+7=9 → divisible by 3, confirming compositeness for 27. Why Other Options Are Wrong: 19, 29, and 23 pass basic divisibility tests and are primes. Common Pitfalls: Mistaking 29 for composite; recall that 25 and 27 are composites, but 29 is prime. Final Answer: 27

Question 3

Classification — near-synonyms of “collect”: choose the single verb that does NOT match the dominant usage of the others.

Accepted Answer

Introduction / Context: Several English verbs overlap around the idea of collecting. However, some are used primarily for people assembling (intransitive), while others focus on things being collected (transitive or quantitative). We must separate assembly-of-people from collection-of-things. Given Data / Assumptions: Gather → collect, bring together; works for things and people. Accumulate → build up quantity of things over time. Aggregate → bring together into a whole, often for data/items. Congregate → people gather together, chiefly intransitive and human-centric. Concept / Approach: Classify by dominant usage: Accumulate/Aggregate/Gather commonly target items/data or can be transitive; Congregate primarily describes people assembling, not things being collected. Step-by-Step Solution: 1) Identify object-focus verbs: Accumulate, Aggregate (items/data), Gather (flexible).2) Identify people-assembly verb: Congregate.3) Therefore “Congregate” is the odd one out by typical usage. Verification / Alternative check: Try substitution with “data”: we can gather/accumulate/aggregate data, but we do not “congregate data.” Why Other Options Are Wrong: They naturally take inanimate objects (data/items) as direct objects or targets, matching the dominant grouping. Common Pitfalls: Assuming “gather” is only for people; in technical contexts (e.g., gather requirements), it readily applies to things. Final Answer: Congregate

Question 4

Classification — pick the odd pair: identify the single pair that does NOT represent the same relation type as the others.

Accepted Answer

Introduction / Context: Mixed-relation classification requires you to detect the dominant relation underlying most options and isolate the one with a different semantic link. Here, two options are co-hyponyms (same-level items), one is member–collection, and one is item–category. We must find the unique relation. Given Data / Assumptions: Rice–Corn: both cereals (co-hyponyms). Tomato–Potato: both vegetables/tubers (co-hyponyms in general usage). Student–Class: member–collection relation. Mango–Fruit: item–category (X is-a Y). Concept / Approach: Check which relation appears uniquely among the four. Co-hyponym pairs (Rice–Corn, Tomato–Potato) share the same “both are kinds of ___” relation. Student–Class is a member–group relation (one member fits into a specific group), whereas Mango–Fruit is an “is-a” classification. Which is uniquely represented? Step-by-Step Solution: 1) Identify duplicates: two pairs are co-hyponyms (B and D) → majority relation.2) Compare remaining two: A (is-a), C (member–collection).3) In test conventions, “member–collection” is treated as a common, acceptable relation; “item–category” (is-a) stands alone here.4) Therefore Mango–Fruit is the lone item–category mapping and the odd one out. Verification / Alternative check: Paraphrase each with “both are types of ___”: fits B and D; not a clean fit for A (one is a type of the other) or C (student belongs to class). Among A and C, only A is is-a; C is member-of. Why Other Options Are Wrong: They either form the repeated co-hyponym relation (B, D) or the common member–collection relation (C), leaving A as uniquely is-a. Common Pitfalls: Assuming any non co-hyponym pair is odd; here two pairs are co-hyonyms, so we pick the unique relation among the remaining two. That is A (is-a), not C (member-of) since member-of appears frequently in standard sets. Final Answer: Mango-Fruit

Question 5

Classification — road vehicles: choose the only item that does NOT belong to the four-wheeler group.

Accepted Answer

Introduction / Context: Transport classification often groups vehicles by typical wheel count/use. Three options are standard four-wheelers; one is typically a two-wheeler. Given Data / Assumptions: Car → four-wheeler. Bus → multi-axle, but fundamentally a road vehicle with more than two wheels. Jeep → four-wheeler. Scooter → typically a two-wheeler in common usage. Concept / Approach: Classify by conventional wheel count and category. Step-by-Step Solution: 1) Car/Bus/Jeep → four or more wheels; same broad category.2) Scooter → two wheels; belongs to motorbikes/scooters category.3) Therefore “Scooter” is the odd one out. Verification / Alternative check: Driving license categories often separate two-wheelers (scooters/motorcycles) from four-wheelers (cars/jeeps/buses). Why Other Options Are Wrong: They are all four-wheel (or multi-wheel) passenger vehicles. Common Pitfalls: Over-focusing on passenger capacity; wheel class is the simpler discriminator here. Final Answer: Scooter

Question 6

Classification — human anatomy: identify the single option that is NOT itself a distinct sense organ.

Accepted Answer

Introduction / Context: Biological classification often hinges on functional roles. Three items are canonical sense organs; one is an anatomical region that contains other parts but is not, itself, a distinct sense organ. Given Data / Assumptions: Tongue → organ for taste. Nose → organ for smell (olfaction). Eye → organ for vision. Mouth → cavity/region containing tongue/teeth; not a single sense organ. Concept / Approach: Identify which item names a sense organ in its own right versus a larger anatomical area. Step-by-Step Solution: 1) Tongue/Nose/Eye → each directly supports one of the five senses.2) Mouth → broader structure (oral cavity) housing parts; not a distinct sense organ.3) Therefore “Mouth” is the outlier. Verification / Alternative check: Associate each with a specific sense: taste, smell, sight; “mouth” lacks a unique, dedicated sensory modality. Why Other Options Are Wrong: They are each primary organs for a human sense. Common Pitfalls: Conflating mouth with tongue; only the tongue is the sense organ (taste buds). Final Answer: Mouth

Question 7

Classification — Indian cities: choose the single city that does NOT belong to the same Indian state as the others.

Accepted Answer

Introduction / Context: Geographic classification may cluster cities by state. Three listed cities are from the same state; one belongs to a different state. Given Data / Assumptions: Ghaziabad → Uttar Pradesh. Varanasi → Uttar Pradesh. Gorakhpur → Uttar Pradesh. Bhagalpur → Bihar. Concept / Approach: Identify the state for each city and select the outlier state. Step-by-Step Solution: 1) Map cities to states: A–C → Uttar Pradesh.2) D → Bihar.3) Therefore Bhagalpur is the only city not in Uttar Pradesh. Verification / Alternative check: Check well-known associations: Varanasi (UP), Gorakhpur (UP), Ghaziabad (NCR/UP), Bhagalpur (eastern Bihar, famous for silk). Why Other Options Are Wrong: They share the same state (UP) and thus belong to the majority group. Common Pitfalls: Confusing Ghaziabad’s proximity to Delhi with being outside UP; it remains in Uttar Pradesh. Final Answer: Bhagalpur

Question 8

Classification — armed forces ranks: identify the single rank that does NOT belong to the same service as the others.

Accepted Answer

Introduction / Context: Military rank classification often contrasts service-specific titles. Three ranks listed are standard Indian Army ranks; one is primarily a Navy rank. Given Data / Assumptions: Major (Army), Brigadier (Army), Captain (Army rank as well, though also a Navy rank with different seniority). Commander → primarily a Navy rank (between Lieutenant Commander and Captain). Concept / Approach: Group by service usage. Despite cross-service homonyms (e.g., Captain), the intended distinction is Army vs Navy nomenclature. Step-by-Step Solution: 1) Identify Army-only titles: Major, Brigadier; Captain commonly used in Army context here.2) Commander aligns with Navy rank structure.3) Therefore “Commander” is the odd one out by service association. Verification / Alternative check: Typical tri-service mapping places “Commander” squarely in naval ranks, not the Army hierarchy. Why Other Options Are Wrong: They are conventionally recognized Army ranks in classification questions of this type. Common Pitfalls: Being distracted by “Captain” having dual meanings; in reasoning sets it is usually accepted as an Army rank name. Final Answer: Commander

Question 9

Classification — writing tools vs reading materials: select the item that is NOT of the same “type” as the others.

Accepted Answer

Introduction / Context: Here, the items mix tools and artifacts. Three options are stand-alone artifacts or tools; one is a component (a part of another item). We need the unique “part-of” rather than “whole/tool”. Given Data / Assumptions: Pen → writing instrument (whole object). Pencil → writing instrument (whole object). Book → complete object. Page → component of a book (part, not a whole stand-alone in ordinary use). Concept / Approach: Identify the sole “part” among wholes/tools. Step-by-Step Solution: 1) Pen/Pencil/Book → whole artifacts.2) Page → component inside a book.3) Therefore “Page” is the odd one out. Verification / Alternative check: Ask: which item naturally “belongs to” another item? Only page is inherently contained in a book. Why Other Options Are Wrong: They are independent objects, not components. Common Pitfalls: Pairing pen/pencil as tools vs book as material; while true, “page” is the only part-of relation, making it the strict outlier. Final Answer: Page

Question 10

Classification — scriptures/epics: identify the one title that does NOT belong with the others in religious tradition.

Accepted Answer

Introduction / Context: Religious-literature classification often groups texts by tradition. Three listed works are central to Hindu tradition (two are epics; one is a sacred philosophical discourse within an epic). One text is Islamic scripture. Given Data / Assumptions: Ramayana → Hindu epic. Mahabharata → Hindu epic (contains the Bhagavad Gita). Bhagavad Gita → sacred discourse within the Mahabharata; Hindu scripture. Quran → central religious text of Islam. Concept / Approach: Group by religious tradition. Step-by-Step Solution: 1) A, C, D → Hindu corpus.2) B → Islamic scripture.3) Therefore “Quran” is the odd one out by tradition. Verification / Alternative check: Cross-reference the origin of each text—their languages, canons, and cultural contexts differ sharply between B and the others. Why Other Options Are Wrong: They belong to the same tradition and hence form the majority group. Common Pitfalls: Noting that the Gita is part of Mahabharata; despite internal relation, both remain within the Hindu set, keeping B as the unique outlier. Final Answer: Quran

Question 11

Classification — chemical elements: select the item that is NOT a metal.

Accepted Answer

Introduction / Context: Chemistry classification tests whether you can distinguish metals from nonmetals. Three listed are classic metals; one is a nonmetal gas under standard conditions. Given Data / Assumptions: Silver (Ag) → metal. Iron (Fe) → metal. Gold (Au) → metal. Hydrogen (H) → nonmetal; diatomic gas H2 at STP. Concept / Approach: Apply periodic table categories and physical properties at standard conditions. Step-by-Step Solution: 1) Ag/Fe/Au → metallic luster, conductivity, malleability.2) H → nonmetal gas; lacks metallic properties.3) Therefore “Hydrogen” is the outlier. Verification / Alternative check: Check position in periodic table: H is placed with nonmetals, distinct from transition/precious metals. Why Other Options Are Wrong: They are all metals with typical metallic characteristics. Common Pitfalls: Associating “hydrogen” with metallic hydrogen in extreme conditions—irrelevant to everyday classification. Final Answer: Hydrogen

Question 12

Classification — human body parts and senses: choose the single option that does NOT match the others by function or location.

Accepted Answer

Introduction / Context: This set mixes facial parts and an internal organ. Three options are external facial parts directly associated with oral/nasal functions and senses; one is an internal central organ unrelated to being a facial feature. Given Data / Assumptions: Tongue → inside the mouth; key to taste and speech articulation. Lips → external mouth structure; articulation and sensation. Nose → facial organ for smell and breathing. Brain → central organ inside the skull; not a facial part. Concept / Approach: Group by anatomical location/role: facial/external vs internal central organ. Step-by-Step Solution: 1) Tongue/Lips/Nose → face/oral–nasal region; sensory/expressive roles.2) Brain → internal CNS organ; not a facial structure.3) Therefore “Brain” is the odd item. Verification / Alternative check: Ask which could be seen externally on a face (at least in part): lips, nose, and tongue (when exposed) vs brain (never external). Why Other Options Are Wrong: They cluster around facial/sensory functions. Common Pitfalls: Choosing “lips” as not a sense organ; the intended grouping is facial/oral–nasal anatomy, not strictly the five-sense organs list. Final Answer: Brain

Question 13

Classification — cricket terms: identify the word that does NOT belong with standard cricketing positions/deliveries.

Accepted Answer

Introduction / Context: Sports-terminology classification checks whether a term is a recognized fielding position or bowling delivery. Three of these are mainstream in cricket contexts; one is not a standard standalone term. Given Data / Assumptions: Slip → standard fielding position. Googli → common misspelling of “googly,” a leg-spinner’s deceptive delivery; treated as the same in reasoning sets. Doosra → off-spinner’s delivery turning opposite to the conventional off-break. Diamond → not a standard position/delivery name by itself; “diamond duck” exists, but “diamond” alone is not the role/delivery label. Concept / Approach: Accept conventional cricket vocabulary and typical reasoning-set tolerance for minor spelling (googli→googly). Flag terms that only appear as part of a multiword phrase (e.g., diamond duck) rather than as a canonical role/delivery. Step-by-Step Solution: 1) Slip → valid fielding position.2) Googli → accepted for “googly,” valid delivery.3) Doosra → valid delivery.4) Diamond → no standard cricketing role/delivery on its own. Verification / Alternative check: Cross-check standard lists of positions and bowling types—“diamond” appears only in phrases like “diamond duck,” not as a position/delivery. Why Other Options Are Wrong: They are recognized cricketing terms and fit the group. Common Pitfalls: Rejecting “googli” due to spelling; these questions typically accept common variants intended to denote “googly”. Final Answer: Diamond

Question 14

Classification — common fruits: select the single option that does NOT match the number form of the others.

Accepted Answer

Introduction / Context: Sometimes the distinguishing feature is grammatical form rather than category. All four items are fruits, but one is conventionally used in the plural form as a common-count noun in everyday English. Given Data / Assumptions: Orange, Apple, Guava → commonly cited in singular when naming the fruit generically. Grapes → typically referenced in plural; a bunch of grapes. Concept / Approach: Identify the unique number form or conventional lexicalization (singular vs plural) among otherwise same-category items. Step-by-Step Solution: 1) Note grammatical number: A–C appear in singular; D is written plural (“Grapes”).2) Category is identical (all fruits), so grammar/usage becomes the discriminator.3) Therefore “Grapes” is the odd item by number form. Verification / Alternative check: Try rephrasing with “a/an”: “an orange/an apple/a guava” are natural; “a grapes” is ungrammatical; we would say “a grape” or “grapes”. Why Other Options Are Wrong: They share both the category and the singular form, matching each other closely. Common Pitfalls: Looking for botanical subtypes; while differences exist, the intended cue here is grammatical convention. Final Answer: Grapes

Question 15

Classification — video/film-related terms: choose the single item that is NOT a content format or genre type.

Accepted Answer

Introduction / Context: Media classification distinguishes production formats/genres from auxiliary elements. Three options denote content formats or genres typically used to describe a film/video; one refers to narration/discussion layered over content rather than a genre itself. Given Data / Assumptions: Documentary → nonfiction film genre. Animation → medium/format for visual storytelling. Puppet → puppetry-based format/style (puppet films/shows). Commentary → a track/narration discussing content; not a genre/format by itself. Concept / Approach: Classify by whether the term names what the content “is” (genre/format) versus how it may be “discussed” (commentary). Step-by-Step Solution: 1) Documentary/Animation/Puppet → describe intrinsic nature of the video.2) Commentary → an overlay or supplemental narration, not the base format.3) Therefore “Commentary” is the odd choice. Verification / Alternative check: Imagine platform categories: documentary/animation/puppet appear as genres/formats; “commentary” appears as an additional audio track or content style, not the core genre. Why Other Options Are Wrong: They are recognized as primary descriptors of content. Common Pitfalls: Confusing “puppet” as only a prop; in media taxonomy, “puppet show/film” is a recognized format. Final Answer: Commentary

Question 16

Find the odd geometric figure (polygon vs curved): Choose the one that is not a polygon with straight sides.

Accepted Answer

Introduction / Context: Odd-one-out questions in basic geometry usually turn on a single defining property. Here the clean divider is “polygon with straight sides” versus “non-polygon with only curved surface(s).” Given Data / Assumptions: Square: plane polygon with 4 straight sides and 4 right angles. Rectangle: plane polygon with 4 straight sides and right angles. Circle: plane curve with no straight sides or vertices (non-polygon). Sphere: three-dimensional solid; its surface is entirely curved, not a plane polygon. Concept / Approach: Classify each option by two criteria: (1) polygon vs non-polygon and (2) 2D vs 3D. A polygon must be a 2D figure with straight line segments as sides. Both circle and sphere fail the “straight sides” test; however, sphere is additionally 3D, which separates it even more strongly from the set. Step-by-Step Solution: 1) Square → polygon (2D, straight sides).2) Rectangle → polygon (2D, straight sides).3) Circle → non-polygon (2D, curved boundary).4) Sphere → non-polygon (3D, curved surface only).5) The only 3D curved surface item is Sphere, making it the odd member on both polygonality and dimensionality. Verification / Alternative check: Consider dimensionality alone: sphere is 3D; the others are 2D figures. That single criterion already isolates sphere as the outlier. Why Other Options Are Wrong: Square and rectangle are polygons; circle, while not a polygon, is still a 2D figure. Sphere differs in being 3D and non-polygonal simultaneously. Common Pitfalls: Do not confuse “circle vs polygon” and miss that sphere adds an extra difference (3D). The strongest single odd choice is the sphere. Final Answer: Sphere

Question 17

Find the odd word (part of speech and semantic category): Identify the item that is not an adjective describing appearance/quality.

Accepted Answer

Introduction / Context: Verbal classification often relies on part of speech and typical semantic role. Three choices here are adjectives that directly modify nouns (e.g., “an elegant dress”), while one is a noun (a quality/abstract concept) and not used attributively in the same way. Given Data / Assumptions: Elegant: adjective of appearance/quality. Bright: adjective of visual intensity or intelligence. Beautiful: adjective of aesthetic quality. Sweetness: abstract noun naming the quality “sweet.” Concept / Approach: Test each word as an attributive modifier: “elegant dress,” “bright light,” “beautiful view” work smoothly as adjectives. “Sweetness dress” does not; instead “sweet dress” would be grammatical. Hence “sweetness” functions as a noun (the state or quality), not an adjective. Step-by-Step Solution: 1) Identify part of speech: Elegant/ Bright/ Beautiful → adjectives; Sweetness → noun.2) Check natural usage in a sentence modifying a noun.3) The only noun in the set is “Sweetness.” Verification / Alternative check: Transformations: the adjective “sweet” becomes the noun “sweetness” by adding the suffix “-ness,” confirming the part-of-speech change. Why Other Options Are Wrong: They are adjectives directly used to qualify nouns in standard English and share the same grammatical behavior. Common Pitfalls: Do not conflate meaning similarity (all are quality-related) with grammatical function. The question targets part of speech. Final Answer: Sweetness

Question 18

Find the odd mode of transport (medium of travel): Select the one designed for water, while the others are for land.

Accepted Answer

Introduction / Context: Transportation items can be grouped by the physical medium: land, water, or air. Recognizing the intended medium gives a decisive basis to choose the outlier. Given Data / Assumptions: Bus: land vehicle operating on roads. Scooter: land vehicle (two-wheeler) for roads. Cycle: land vehicle (bicycle) for roads/paths. Boat: watercraft designed to float and move on water. Concept / Approach: Classify by medium: land vs water. Three items are land vehicles; one is a watercraft. That categorical difference is unambiguous and independent of propulsion method. Step-by-Step Solution: 1) Tag bus/scooter/cycle → land.2) Tag boat → water.3) The only waterborne option is Boat → odd one out. Verification / Alternative check: Consider design constraints: wheels and tires imply land friction/traction; hulls imply buoyancy for water. Why Other Options Are Wrong: They are all road-going vehicles, sharing the same core operating environment. Common Pitfalls: Do not be misled by powered vs unpowered distinctions (scooter vs cycle). The medium criterion is stronger. Final Answer: Boat

Question 19

Find the odd biological item (fruits vs tuber): Pick the one that is not a true fruit but an underground storage organ.

Accepted Answer

Introduction / Context: Food items can be classified botanically. Three of the options are true fruits (developed from the ovary and typically enclosing seeds), whereas one is a tuber (a modified underground stem used for storage). Given Data / Assumptions: Apple: fleshy fruit. Orange: citrus fruit. Guava: fleshy fruit with seeds. Potato: tuber (underground stem), vegetative organ, not a fruit. Concept / Approach: Use botanical definitions rather than culinary categories. Fruits arise from flowers after fertilization; tubers are modified stems for nutrient storage. That makes potato categorically different from the others. Step-by-Step Solution: 1) Label Apple/Orange/Guava → fruits.2) Label Potato → tuber (vegetative organ).3) The only non-fruit: Potato → odd one. Verification / Alternative check: Seeds test: fruits usually contain seeds; a potato tuber does not (eyes are nodes, not seeds). Why Other Options Are Wrong: They are all botanical fruits and thus form a coherent group. Common Pitfalls: Avoid the “vegetable vs fruit” culinary confusion. The question expects the botanical criterion. Final Answer: Potato

Question 20

Find the odd vegetable item (botanical category): Select the item that is botanically a fruit, not a root, tuber, or bulb.

Accepted Answer

Introduction / Context: Although all four are common “vegetables” in cooking, botanically they differ. One is a fruit, while the others are underground parts such as root, tuber, or bulb. Given Data / Assumptions: Tomato: botanical fruit (ripened ovary with seeds). Potato: tuber (modified underground stem with buds/eyes). Carrot: taproot (storage root). Onion: bulb (underground storage structure). Concept / Approach: Apply botanical classification rather than culinary use. Fruits develop from flowers and carry seeds; the others are subterranean storage/vegetative structures. Step-by-Step Solution: 1) Identify tomato as a true fruit.2) Identify potato (tuber), carrot (root), onion (bulb).3) The only fruit among predominantly underground structures is Tomato → odd one. Verification / Alternative check: Seed presence: tomatoes contain seeds; roots/tubers/bulbs do not develop seeds within the edible portion. Why Other Options Are Wrong: They belong to vegetative underground categories, creating a unified set distinct from fruits. Common Pitfalls: Do not rely on kitchen categories; stick to plant morphology. Final Answer: Tomato

Classification Questions