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Q.

In the following number series only one number is wrong. Find out the wrong number.

6, 11, 20, 32, 42, 56, 72

A 11
B 20
C 32
D 56
Answer & Explanation
Option: [C]

The pattern is 22 + 2, 32 + 3, 42 + 4, 52 + 5, 62 + 6, 72 + 7, 82 + 8

So the wrong number is 32

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