[A]. 26
[B]. 24
[C]. 21
[D]. 18
✅ The correct answer is option C.
Each of the numbers except 21 is an even number.
Each of the numbers except 21 is an even number.
Aptitude
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42. Find the odd man out.: 3, 5, 11, 14, 17, 21
[A]. 21
[B]. 17
[C]. 14
[D]. 3
✅ The correct answer is option C.
Each of the numbers except 14 is an odd number.
Each of the numbers except 14 is an odd number.
The number ’14’ is the only EVEN number.
43. Find out the wrong number in the series.: 2880, 480, 92, 24, 8, 4, 4
[A]. 480
[B]. 92
[C]. 24
[D]. 8
✅ The correct answer is option B.
Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number. Clearly, 92 is wrong.
Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number. Clearly, 92 is wrong.
44. Find out the wrong number in the given sequence of numbers.: 8, 13, 21, 32, 47, 63, 83
[A]. 47
[B]. 63
[C]. 32
[D]. 83
✅ The correct answer is option A.
Go on adding 5, 8, 11, 14, 17, 20.
So, the number 47 is wrong and must be replaced by 46.
Go on adding 5, 8, 11, 14, 17, 20.
So, the number 47 is wrong and must be replaced by 46.
45. Insert the missing number.: 11, 13, 17, 19, 23, 29, 31, 37, 41, (….)
[A]. 43
[B]. 47
[C]. 53
[D]. 51
✅ The correct answer is option A.
Numbers are all primes. The next prime is 43.
Numbers are all primes. The next prime is 43.
46. Find out the wrong number in the given sequence of numbers.: 6, 13, 18, 25, 30, 37, 40
[A]. 25
[B]. 30
[C]. 37
[D]. 40
✅ The correct answer is option D.
The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5.
So, 40 is wrong.
The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5.
So, 40 is wrong.
47. Insert the missing number.: 15, 31, 63, 127, 255, (….)
[A]. 513
[B]. 511
[C]. 517
[D]. 523
✅ The correct answer is option B.
Each number is double the preceding one plus 1.
So, the next number is (255 x 2) + 1 = 511.
Each number is double the preceding one plus 1.
So, the next number is (255 x 2) + 1 = 511.
48. Find out the wrong number in the given sequence of numbers.: 125, 127, 130, 135, 142, 153, 165
[A]. 130
[B]. 142
[C]. 153
[D]. 165
✅ The correct answer is option D.
Prime numbers 2, 3, 5, 7, 11, 13 are to be added successively.
So, 165 is wrong.
Prime numbers 2, 3, 5, 7, 11, 13 are to be added successively.
So, 165 is wrong.
49. Find the odd man out.: 10, 25, 45, 54, 60, 75, 80
[A]. 10
[B]. 45
[C]. 54
[D]. 75
✅ The correct answer is option C.
Each of the numbers except 54 is multiple of 5.
Each of the numbers except 54 is multiple of 5.
50. Insert the missing number.: 4, -8, 16, -32, 64, (….)
[A]. 128
[B]. -128
[C]. 192
[D]. -192
✅ The correct answer is option B.
Each number is the proceeding number multiplied by -2.
So, the required number is -128.
Each number is the proceeding number multiplied by -2.
So, the required number is -128.