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Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
Insert the missing number. 2, 4, 12, 48, 240, (....)
Options- A. 960
- B. 1440
- C. 1080
- D. 1920
- Correct Answer
- 1440
ExplanationGo on multiplying the given numbers by 2, 3, 4, 5, 6.
So, the correct next number is 1440.
- 1. Find the odd man out. 2, 5, 10, 17, 26, 37, 50, 64
Options- A. 50
- B. 37
- C. 26
- D. 64 Discuss
- 2. Find the odd man out? 396, 462, 572, 427, 671, 264.
Options- A. 671
- B. 462
- C. 427
- D. 264 Discuss
- 3. Insert the missing number. 8, 7, 11, 12, 14, 17, 17, 22, (....)
Options- A. 20
- B. 22
- C. 24
- D. 27 Discuss
- 4. Find the odd man out. 41, 43, 47, 53, 61, 71, 73, 81
Options- A. 41
- B. 61
- C. 71
- D. 81 Discuss
- 5. Insert the missing number. 7, 26, 63, 124, 215, 342, (....)
Options- A. 391
- B. 421
- C. 481
- D. 511 Discuss
- 6. Insert the missing number. 3, 7, 6, 5, 9, 3, 12, 1, 15, (....)
Options- A. 18
- B. 13
- C. -1
- D. 3 Discuss
- 7. Find the odd man out. 6, 9, 15, 21, 24, 28, 30
Options- A. 28
- B. 21
- C. 24
- D. 30 Discuss
- 8. Insert the missing number. 2, 6, 12, 20, 30, 42, 56, (....)
Options- A. 61
- B. 64
- C. 72
- D. 70 Discuss
- 9. Find out the wrong number in the given sequence of numbers. 1, 2, 6, 15, 31, 56, 91
Options- A. 31
- B. 91
- C. 56
- D. 15 Discuss
- 10. Find the odd man out. 331, 482, 551, 263, 383, 362, 284
Options- A. 263
- B. 383
- C. 331
- D. 551 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 64
Explanation:
(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1
But, 64 is out of pattern.
Correct Answer: 427
Explanation:
Here the given series is 396, 462, 572, 427, 671, 264.
In all the terms, the middle digit is the sum of first and third digit except 427.
So the Odd number in the given series is 427.
Correct Answer: 20
Explanation:
There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.
Correct Answer: 81
Explanation:
Each of the numbers except 81 is a prime number.
Correct Answer: 511
Explanation:
Numbers are (23 - 1), (33 - 1), (43 - 1), (53 - 1), (63 - 1), (73 - 1) etc.
So, the next number is (83 - 1) = (512 - 1) = 511.
Correct Answer: -1
Explanation:
There are two series, beginning respectively with 3 and 7. In one 3 is added and in another 2 is subtracted.
The next number is 1 - 2 = -1.
Correct Answer: 28
Explanation:
Each of the numbers except 28, is a multiple of 3.
Correct Answer: 72
Explanation:
The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.
So, the next number is 8 x 9 = 72.
Correct Answer: 91
Explanation:
1, 1 + 12 = 2, 2 + 22 = 6, 6 + 32 = 15, 15 + 42 = 31, 31 + 52 = 56, 56 + 62 = 92
Last number of given series must be 92 not 91.
Correct Answer: 383
Explanation:
In each number except 383, the product of first and third digits is the middle one.
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