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Question

What is the value of X, if the value of 333332 is 11110XXXX9.
  1. 8

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Solution

The correct option is A 8
The square of the number 33333 can easily be found by the method as described here.

Suppose the number contains n '3's. The digits of its square will be (n1) '1's followed by '0', (n1) '8's and '9'.

In this case, the value of 333332 is 1111088889. Hence, the value of X is 8.

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