Discussion
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- Question
In the series 2, 6, 18, 54, ...... what will be the 8th term?
Options- A. 4370
- B. 4374
- C. 7443
- D. 7434
- Correct Answer
- 4374
ExplanationClearly, 2 x 3 = 6, 6 x 3 = 18, 18 x 3 = 54,.....So, the series is a G.P. in which a = 2, r = 3.
Therefore 8th term = ar8-1 = ar7 = 2 x 37 = (2 x 2187) = 4374.
More questions
- 1. Root, Stem, Branch
Options- A. Fertilizer
- B. Leaf
- C. Tree
- D. Wood Discuss
Correct Answer: Leaf
Explanation:
All are the parts of tree.- 2. A bulb always has
Options- A. Glass
- B. Current
- C. Filament
- D. Light Discuss
Correct Answer: Filament
- 3. Mash : Horse : : Mast :?
Options- A. Cow
- B. Monkey
- C. Lion
- D. Pig Discuss
Correct Answer: Pig
Explanation:
Former is the food for latter.
- 4. 4 : 9 : : 8 :?
Options- A. 2
- B. 13
- C. 31
- D. 10 Discuss
Correct Answer: 13
Explanation:
As, 4 : 9 similarly 8 : 13
? ? = 13- 5. Find the odd one out:
Options- A. Rose
- B. Lotus
- C. Dahlia
- D. Marigold Discuss
Correct Answer: Lotus
Explanation:
Lotus grow on land.
- 6. Find the odd one out:
Options- A. Trunk
- B. Tree
- C. Fruit
- D. Leaf Discuss
Correct Answer: Tree
Explanation:
Tree, rest all are the parts of a tree.
- 7. A mirror always
Options- A. Retracts
- B. Distorts
- C. Refracts
- D. Reflects Discuss
Correct Answer: Reflects
- 8. Football : Hockey : Tennis
Options- A. Athletes
- B. Indo
- C. Games
- D. Aquatic Discuss
Correct Answer: Games
Explanation:
All are games.
- 9. NA
Options- A. ADGPT
- B. ACERK
- C. ABDEQ
- D. ADIPY Discuss
Correct Answer: ADGPT
Explanation:
All others have two vowels.
- 10. NA
Options- A. Author
- B. Novelist
- C. Poet
- D. Publisher Discuss
Correct Answer: Publisher
Explanation:
Except the 'Publisher' , all other are related to 'literature' .
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