Discussion
Home ‣ Aptitude ‣ Odd Man Out and Series Comments
- Question
- 3, 7, 15, 39, 63, 127, 255, 511?
Options- A. 7
- B. 15
- C. 39
- D. 63
- Correct Answer
- 39
ExplanationGo on multiplying 2 and adding 1 to get the next number. So, 39 is wrong.
- 1. 2, 6, 12, 20, 30, 42, 56, (...)?
Options- A. 60
- B. 64
- C. 72
- D. 70 Discuss
- 2. 2, 4, 12, 48, 240, (...)?
Options- A. 960
- B. 1440
- C. 1080
- D. 1920 Discuss
- 3. Find the wrong number in the series 3, 8, 15, 24, 34, 48, 63?
Options- A. 15
- B. 24
- C. 34
- D. 48 Discuss
- 4. 52, 51, 48, 43, 34, 27, 16?
Options- A. 27
- B. 34
- C. 43
- D. 48 Discuss
- 5. 125, 127, 130, 135, 142, 153, 165?
Options- A. 130
- B. 142
- C. 153
- D. 165 Discuss
- 6. 40960, 10240, 2560, 640, 200, 40, 10?
Options- A. 640
- B. 40
- C. 200
- D. 2560 Discuss
- 7. 1, 1, 2, 6, 24, 96, 720?
Options- A. 720
- B. 96
- C. 24
- D. 6 Discuss
- 8. Find out the wrong number in the series 5, 15, 30, 135, 405, 1215, 3645?
Options- A. 3645
- B. 1215
- C. 405
- D. 30 Discuss
- 9. 2, 5, 10, 17, 26, 37, 50, 64?
Options- A. 50
- B. 26
- C. 37
- D. 64 Discuss
- 10. 331, 482, 551, 263, 383, 242, 111?
Options- A. 263
- B. 383
- C. 242
- D. 111 Discuss
Odd Man Out and Series problems
Search Results
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: 1440
Explanation:
Go on multiplying the given numbers by 2, 3, 4, 5, 6. So, the correct next number is 1440.
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: 34
Explanation:
Subtract 1, 3, 5, 7, 9, 11 from successive numbers. So, 34 is wrong.
Correct Answer: 165
Explanation:
Prime number 2, 3, 5, 7, 11, 13 are to be added successively. So, 165 is wrong.
Correct Answer: 200
Explanation:
Go on dividing by 4 to get the next number. So, 200 is wrong.
Correct Answer: 96
Explanation:
Go on multiplying with 1, 2, 3, 4, 5, 6 to get the next number. So, 96 is wrong.
Correct Answer: 30
Explanation:
Multiply each term by 3 to obtain the next term. Hence, 30 is a wrong number.
Correct Answer: 64
Explanation:
The pattern is x2 + 1, where x = 1, 2, 3, 4, 5, 6, 7, 8 etc. But 64 is out of pattern
Correct Answer: 383
Explanation:
In each number except 383, the product of first and third digit is the middle one.
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