Question
By what least number 4320 be multiplied to obtain a number which is a perfect cube ?
Answer: Option A
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Clearly , 4320 = `2^3 xx 3^3 xx 2^2 xx 5`.
To make it a perfect cube , it must be multiplied by `2 xx 5^2` i.e. 50.
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Find he value of `sqrt(0.289/0.00121)`
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