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- General Aptitude
- Odd Man Out and Series
1.
385, 462, 572, 396, 427, 671, 264
- A.385
- C.671
- B.427
- D.264
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
In each number except 427, the middle digit is the sum of the other two. |
2.
6, 13, 18, 25, 30, 37, 40
- A.25
- C.37
- B.30
- D.40
- Answer & Explanation
- Report
Answer & Explanation : [D]
Explanation :
Explanation :
The difference between two successive terms from the beginning are 7, 5, 7, 5, 7, 5. |
So, 40 is wrong. |
3.
7, 26, 63, 124, 215, 342, (....)
- A.481
- C.391
- B.511
- D.421
- Answer & Explanation
- Report
Answer : [B]
Explanation :
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. |
4.
445, 221, 109, 46, 25, 11, 4
- A.221
- C.46
- E.11
- B.109
- D.25
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
Go on subtracting 3 and dividing the result by 2 to obtain the next number. |
Clearly, 46 is wrong. |
5.
1050, 510, 242, 106, 46, 16, 3
- A.510
- C.106
- E.16
- B.242
- D.46
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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