Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- 385, 462, 572, 396, 427, 671, 264?
Options- A. 385
- B. 427
- C. 671
- D. 264
- Correct Answer
- 427
ExplanationIn each number except 427, the middle digit is sum of the other two.
- 1. 7, 26, 63, 124, 215, 342, (...) :
Options- A. 481
- B. 511
- C. 391
- D. 421 Discuss
- 2. 190, 166, 145, 128, 112, 100, 91?
Options- A. 100
- B. 166
- C. 145
- D. 128 Discuss
- 3. 19, 26, 33, 46, 59, 74, 91?
Options- A. 26
- B. 33
- C. 46
- D. 59 Discuss
- 4. 445, 221, 109, 46, 25, 11, 4?
Options- A. 221
- B. 109
- C. 46
- D. 25 Discuss
- 5. 16, 33, 65, 131, 261, (...)?
Options- A. 523
- B. 521
- C. 613
- D. 721 Discuss
- 6. 1, 8, 27, 64, 124, 216, 343?
Options- A. 8
- B. 27
- C. 64
- D. 124 Discuss
- 7. 19, 28, 39, 52, 67, 84, 102?
Options- A. 52
- B. 102
- C. 84
- D. 67 Discuss
- 8. 4, 9, 19, 39, 79, 160, 319?
Options- A. 319
- B. 160
- C. 79
- D. 39 Discuss
- 9. 9, 12, 11, 14, 13, (...), 15?
Options- A. 12
- B. 16
- C. 10
- D. 17 Discuss
- 10. Complete the series 2, 5, 9, 19, 37 ....?
Options- A. 76
- B. 74
- C. 75
- D. None of these Discuss
Odd Man Out and Series problems
Search Results
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: 128
Explanation:
Go on subtracting 24, 21, 18, 15, 12, 9 from the numbers to get the next number. Clearly,128 is wrong.
Correct Answer: 33
Explanation:
Go on adding 7, 9, 11, 13, 15, 17 respectively to obtain on the next number. So, 33 is wrong.
Correct Answer: 46
Explanation:
Go on subtracting 3 and dividing the result by 2 to obtain the next number. Clearly, 46 is wrong.
Correct Answer: 523
Explanation:
Each number is twice the preceding one with 1 added or subtracted alternately.
So, the next number is (2 x 261 + 1) = 523.
Correct Answer: 124
Explanation:
The number are 13, 23, 33, 43 etc. So, 124 is wrong. It must have been 53 i.e., 125.
Correct Answer: 102
Explanation:
The pattern is x2 + 3, where x = 4, 5, 6, 7, 8, 9 etc. But 102 is out of pattern.
Correct Answer: 160
Explanation:
Double the number and add 1 to it, to get the next number. So, 160 is wrong.
Correct Answer: 16
Explanation:
Alternately, we add 3 and subtract 1.
Correct Answer: 75
Explanation:
Second number is one more than twice the first third number is one less than twice the second, fourth number is one more than twice the third, fifth number is one less than the fourth. Therefore, the sixth number is one more than twice the fifth. So, the missing number is 75.
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