Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- 52, 51, 48, 43, 34, 27, 16?
Options- A. 27
- B. 34
- C. 43
- D. 48
- Correct Answer
- 34
ExplanationSubtract 1, 3, 5, 7, 9, 11 from successive numbers. So, 34 is wrong.
- 1. 125, 127, 130, 135, 142, 153, 165?
Options- A. 130
- B. 142
- C. 153
- D. 165 Discuss
- 2. 125, 123, 120, 115, 108, 100, 84?
Options- A. 125
- B. 115
- C. 100
- D. 84 Discuss
- 3. 4 - 8, 16 - 32, 64 - (...) :
Options- A. 128
- B. -128
- C. 192
- D. -192 Discuss
- 4. 1, 8, 27, 64, 125, 216, (...) :
Options- A. 354
- B. 343
- C. 392
- D. 245 Discuss
- 5. 2, 5, 10, 50, 500, 5000?
Options- A. 0
- B. 5
- C. 10
- D. 5000 Discuss
- 6. Find the wrong number in the series 3, 8, 15, 24, 34, 48, 63?
Options- A. 15
- B. 24
- C. 34
- D. 48 Discuss
- 7. 2, 4, 12, 48, 240, (...)?
Options- A. 960
- B. 1440
- C. 1080
- D. 1920 Discuss
- 8. 2, 6, 12, 20, 30, 42, 56, (...)?
Options- A. 60
- B. 64
- C. 72
- D. 70 Discuss
- 9. 3, 7, 15, 39, 63, 127, 255, 511?
Options- A. 7
- B. 15
- C. 39
- D. 63 Discuss
- 10. 40960, 10240, 2560, 640, 200, 40, 10?
Options- A. 640
- B. 40
- C. 200
- D. 2560 Discuss
Odd Man Out and Series problems
Search Results
Correct Answer: 165
Explanation:
Prime number 2, 3, 5, 7, 11, 13 are to be added successively. So, 165 is wrong.
Correct Answer: 100
Explanation:
Prime numbers 2, 3, 5, 7, 11, 13 have successively been subtracted. So, 100 is wrong. It must be (108 - 11) i.e., 97.
Correct Answer: -128
Explanation:
Each number is the preceding number multiplied by - 2. So, the required number is - 128.
Correct Answer: 343
Explanation:
Number are 13, 23, 33, 43, 53, 63.
So, the missing number is 73 = 343.
Correct Answer: 5000
Explanation:
Pattern is 1st x 2nd = 3rd; 2nd x 3rd = 4th, 3rd x 4th = 5th. But 4th x 5th = 50 x 500 = 25000 ? 5000 = 6th.
Correct Answer: 34
Explanation:
The difference between consecutive terms are respectively. 5, 7, 9, 11 and 13. So, 34 is a wrong number.
Correct Answer: 1440
Explanation:
Go on multiplying the given numbers by 2, 3, 4, 5, 6. So, the correct next number is 1440.
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: 39
Explanation:
Go on multiplying 2 and adding 1 to get the next number. So, 39 is wrong.
Correct Answer: 200
Explanation:
Go on dividing by 4 to get the next number. So, 200 is wrong.
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