Question

In each of the following questions, one term in the number series is
wrong. Find out the wrong term.
11, 42, 39, 164, 525, 421, 749
​

Answer 1

Explanation:

Answer: (2) 421

Solution:-

1² = 1 x 1

= 1,

2² = 2 x 2

= 4,

3² = 3 x 3

= 9,

5² = 5 x 5

= 25,

4² = 4 x 4

= 16,

7² = 7 x 7

= 49

Then, the wrong term is 421.

Answer 2

Explanation:

164

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