Question 122

$$896 - (?)^{3} = 4608\div12$$

Solution
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Let unknown quantity be 'x'.
$$896 - x^{3} = 4608\div12$$.
$$896 - x^{3} = 384$$..
$$x^{3}=512$$.
$$x^{3}=8^{3}$$.
Comparing both sides,
$$x=8$$.
Hence, Option B is correct.

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