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Q.

If $n^{3} = 2744$ , then the value of $n^{2} - 11$ is

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a

165

b

145

c

185

d

175

answer is D.

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Detailed Solution

n^{3} = 2744

$n = \sqrt[3]{2744} = \sqrt[3]{14 \times 14 \times 14} = 14$

$n^{2} = 196$

$n^{2} - 11 = 185$

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If n3=2744 , then the value of n2−11 is