Question

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

15           15           60           540         8650

A 15 Correct Answer Incorrect Answer
B 540 Correct Answer Incorrect Answer
C 60 Correct Answer Incorrect Answer
D 8650 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

The above series go in following sequence  12 , 22 , 32, 42 15 × 1= 15 15 × 4= 60 60 × 9 = 540 540 × 16 = 8640

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