### Exercise :: Odd Man Out and Series - Find Wrong No.

- Odd Man Out and Series - Odd Man Out
- Odd Man Out and Series - Pick Wrong No.
- Odd Man Out and Series - Missing No.
- Odd Man Out and Series - Find Wrong No.

1. | 7, 8, 18, 57, 228, 1165, 6996 |
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Answer: Option D Explanation: Let the given numbers be A, B, C, D, E, F, G. Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers. Clearly, 228 is wrong. |

2. | 1, 1, 2, 6, 24, 96, 720 |
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Answer: Option B Explanation: Go on multiplying with 1, 2, 3, 4, 5, 6 to get next number. So, 96 is wrong. |

3. | 196, 169, 144, 121, 100, 80, 64 |
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Answer: Option E Explanation: Numbers must be (14) So, 80 is wrong. |

4. | 445, 221, 109, 46, 25, 11, 4 |
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Answer: Option C Explanation: Go on subtracting 3 and dividing the result by 2 to obtain the next number. Clearly, 46 is wrong. |

5. | 190, 166, 145, 128, 112, 100, 91 |
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Answer: Option D Explanation: Go on subtracting 24, 21, 18, 15, 12, 9 from the numbers to get the next number. 190 - 24 = 166 166 - 21 = 145 145 - 18 = 127 [Here, 128 is placed instead of 127] 127 - 15 = 112 112 - 12 = 100 ... and so on. Therefore, 128 is wrong. |