121 : 1331 : : 81 : ?

750

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735

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729

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675

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Solution

The correct option is B 729
Given $121 : 1331 :: 81 : ?$
$(11)^{2} : (11)^{3} : : (9)^{2} : (9)^{3}$
$\Rightarrow 121 : 1331 : : 81 : 729$
Missing number is $729$
$C$ is the right answer

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