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- Question
Between two book-ends in your study are displayed your four favourite love story books. If you decide to arrange the four books in every possible combination and moved just one book every minute, how long would it take you ?
Options- A. 54 minutes
- B. 32 minutes
- C. 48 minutes
- D. 24 minutes
- Correct Answer
- 48 minutes
ExplanationPossible arrangements for 4 books are 4x3x2x1 = 24
For making a new arrangement, two books are required to be moved.
One book takes one minute, then for 2 books
So total 24 x 2 = 48 mins. - 1. Choose the most essential part for the word given below from the following options ? Shoe
Options- A. Lace
- B. Sole
- C. Leather
- D. Walking Discuss
- 2. One paper is equally folded 35 times, then what is the new thickness of the paper ?
Options- A. T(2^50)
- B. 50T
- C. 2 x 50 T
- D. T/50 Discuss
- 3. In an objective competitive exam, a correct answer score 4 marks and on a wrong answer 2 marks are negatively added. A student scores 420 marks from 150 question. How many answers were correct ?
Options- A. 145
- B. 138
- C. 125
- D. 120 Discuss
- 4. Directions: Seven different boxes A, B, C, D, E, F and G of different colours viz., Orange, Pink, Purple, Yellow, Blue, Red and Green are arranged one above the other. The box at the bottom of arrangement is numbered 1, the above box is numbered 2 and so on. B is immediately above E. More than two boxes are above the Orange box. The Yellow box is immediately below A. Only one box is between the Orange box and F. G is immediately above the Red box. Only one box is between B and the Pink box. Only two boxes are between the Pink and the Green box. Only two boxes are between the Yellow box and the Orange box. The Purple box is neither at the top nor at the bottom of the arrangement.B is above Pink box. C is immediately above F. Neither C nor G is a Yellow box. G is not a Orange box. Question: Which combination represents the position of C and its colour?
Options- A. 6-Green
- B. 6-Red
- C. 5-Purple
- D. 7-Blue Discuss
- 5. A man wears socks of two colours - Black and White. He has altogether 30 black socks and 10 brown socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair ?
Options- A. 3
- B. 4
- C. 5
- D. 2 Discuss
- 6. Choose the option which indicates a valid argument containing logically related statements that is, where the third statement is a conclusion drawn from the preceding two statements. A. Some straight forward things are people B. All Perennial things are cats C. Only cats are Perennial D. All Perennial things are People E. Some Straight forward things are cats F. Some Straight forward things are Perennial
Options- A. BCA
- B. CFD
- C. DFA
- D. EAB Discuss
- 7. If 15 men 4 hours per day works for 14 days get Rs.35/- then how many men required if the work is 8 hours per day for 10 days they get 50/- ?
Options- A. 12
- B. 13
- C. 14
- D. 15 Discuss
- 8. A group of six cousins are sitting around a hexagonal table, each one at one corner of the hexagon. (facing the centre inside) Raju is sitting opposite to Rohan. Sweety is sitting next to Navya. Aadya is sitting opposite to Navya, but not next to Kalyan. Karthik has a person sitting between Rohan and himself. If Sweety sits to the right of Karthik, then who is sitting to the left of Karthik ?
Options- A. Aadya
- B. Kalyan
- C. Raju
- D. Rohan Discuss
- 9. Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them. I. All IIMs are in India. No BIMs are in India. No IIMs are BIMs II. All IIMs are in India. No BIMs are in India .No BIMs are IIMs III. Some IIMs are not in India. Some BIMs are not in India. Some IIMs are BIMs. IV. Some IIMs are not in India. Some BIMs are not in India. Some BIMs are IIMs.
Options- A. I Only
- B. II Only
- C. I and II
- D. III and IV Discuss
- 10. One of the important humanitarian by-products of technology is the greater dignity and value that it imparts to human labour. In a highly industrialized society, there is no essential difference between Brahmin and Dalit, Muslim and Hindu; they are equally useful and hence equally valuable for in the industrial society individual productivity fixes the size of the pay cheque and this fixes social status. The passage best supports the statement that:
Options- A. technology decides individual's social status.
- B. castes and religions are man-made.
- C. human labour has dignity and value.
- D. all individuals, irrespective of caste and creed, are born equal. Discuss
Logic problems
Search Results
Correct Answer: Sole
Explanation:
All shoes have a sole of some sort.Not all shoes are made of leather (choice b); nor do they all have laces (choice c).Walking (choice d) is not essential to a shoe.
Correct Answer: T(2^50)
Explanation:
Let initial thickness of the paper be 'T'
after first fold it will be '2T' =
after second fold it will be '4T' =
after 50th fold it will be T x (
T)
Correct Answer: 120
Explanation:
let x be the correct answer and y be the wrong answer
so the total number of questions is (x + y) = 150.....(1)
=> 4x - 2y = 420.....(2)
By solving (1) & (2), we get
=> 6x = 720
hence x = 120
Therefore, number of correct answers are 120.
Correct Answer: 7-Blue
Explanation:
From the given information the arrangement can be done as follows:
Position Box Colour
7 C Blue
6 F Green
5 B Purple
4 E Orange
3 G Pink
2 A Red
1 D Yellow
Correct Answer: 3
Explanation:
Given there are 2 coloured socks, which is black and White
Let suppose 3 is choosen at random
then three conditions arises
1. all are black
2.all are white
3. either it will have 2 black and 1 white or it will have 2 white and 1 black
so in all the conditions as above mentioned we are getting atleast one pair of socks.
So, he must take out 3 to be sure that he has a matching pair.
Correct Answer: DFA
Correct Answer: 15
Explanation:
We know
=>
=> M = 15
Correct Answer: Raju
Explanation:
Suppose Sweety is sitting between Rohan and Karthik such that she is to the right of him.....then as Raju is opposite to Rohan then Raju must be to the left of Karthik.
Correct Answer: I and II
Correct Answer: human labour has dignity and value.
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