The ratio of the square of a number to the reciprocal of its cube is 243/16807. What is the number?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer is option 3 i.e. 3/7
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Understanding |
Application |
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Suppose the number is x. |
As given: x2/(1/x3) = 243/16807 ⇒ x5 = 35/75 ⇒ x = 3/7 |