In each of the following number series, the wrong number is given, find out that number.

96, 83, 70, 57, 45, 31

- 96
- 83
- 70
- 57
- 45

Option 5 : 45

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The series follows the following pattern:

96 – 13 = 83

83 – 13 = 70

70 – 13 = 57

57 – 13 = 44

54 – 13 = 31

∴ The wrong term in the series is 45.

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