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Roots of Numbers question bank (Quantitative Aptitude)

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Q1.

If $\sqrt{2} = 1.414$,the square root of $\frac{\sqrt{2}-1}{\sqrt{2}+1}$ is nearest to

(A)

$0.172$

(B)

$0.414$

(C)

$0.586$

(D)

$1.414$

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Q2.

What is the least number which should be subtracted from $0.000326$ to make it a perfect square?

(A)

$0.000002$

(B)

$0.000004$

(C)

$0.02$

(D)

$0.04$

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