### 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.

11. | 64, 71, 80, 91, 104, 119, 135, 155 |
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Answer: Option E Explanation: Go on adding 7, 9, 11, 13, 15, 17, 19 respectively to obtain the next number. So, 135 is wrong. |

12. | 15, 16, 34, 105, 424, 2124, 12756 |
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Answer: Option E Explanation: 2 3 4 5 6 6 |

13. | 10, 26, 74, 218, 654, 1946, 5834 |
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Answer: Option D Explanation: 2 3 4 5 5 |

14. | 2880, 480, 92, 24, 8, 4, 4 |
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Answer: Option B Explanation: Go on dividing by 6, 5, 4, 3, 2, 1 respectively to obtain the next number. Clearly, 92 is wrong. |

15. | 3, 7, 15, 27, 63, 127, 255 |
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Answer: Option C Explanation: Go on multiplying the number by 2 and adding 1 to it to get the next number. So, 27 is wrong. |