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Question 25

A positive integer $$n$$ is multiple of 7. If $$\sqrt{n}$$ lies between 15 and 16, the number of possible values (s) of n is


Correct Answer: 4

Solution

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The condition means $$225<n<256$$. The multiples of 7 in this range are $$231, 238, 245, 252$$, giving 4 possible values.

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