In the following number series only one number is wrong. Find out the wrong number.
11, 18, 29, 42, 59, 80, 101
Prime numbers starting from 7 are added.
11 + 7 = 18
18 + 11 = 29
29 + 13 = 42
42 + 17 = 59
59 + 19 = 78
78 + 23 = 101
Hence, the number which is wrong is 80, as it is not in the options given, the correct answer is None of the above
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