Question

In each of the following giving number series, a wrong number is given. Find out the wrong number?

82, 81, 86, 110, 168, 287

A 81 Correct Answer Incorrect Answer
B 86 Correct Answer Incorrect Answer
C 110 Correct Answer Incorrect Answer
D 168 Correct Answer Incorrect Answer
E 287 Correct Answer Incorrect Answer

Solution

82 + 13– 2 = 81 81 + 23– 3 = 86 86 + 33– 4 = 109 109 + 43– 5 = 168 168 + 53– 6 = 287

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