No. of integers lie between 4^2 and 5^2
No. of integers lie between 42 and 52
A) 8
B) 10
C ) 9
D) 11
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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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