Problems on Numbers - Arithmetic Aptitude Questions and Answers

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If one-third of one-fourth of a number is 15, then three-tenth of that number is:

Answer : Option D

Explanation :

Let the number be x.

Then, $\frac { 1 } { 3 }$ of $\frac { 1 } { 4 }$ of x = 15 x = 15 x 3 x 4 = 180.

So, required number =[ $\frac { 3 } { 10 }$ x180]=54

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