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No. of integers lie between 4^2 and 5^2

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in Squares And Square Roots by (38.9k points)
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No. of integers lie between 42 and 52

A) 8 

B) 10 

C ) 9 

D) 11

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2 Answers

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by (36.7k points)

Correct option is  A) 8

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Correct option is (A) 8

\(\because\) No. of integers between \(n^2\;\&\;(n+1)^2\) is 2n.

\(\therefore\) No. of integers lie between \(4^2\) and \(5^2\) is \(2\times4=8.\)

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