If one third of one fourth of a number is $ 15, $ then three tenth of that number is
(1) 34
(2) 44
(3) 54
(4) 64
Given:
One third of one fourth of a number is 15.
To do:
We have to find three tenth of that number.
Solution:
Let the required number be $x$.
This implies,
One fourth of the number$=\frac{1}{4}x=\frac{x}{4}$.
One third of one fourth of the number$=\frac{1}{3}\times\frac{x}{4}=\frac{x}{12}$
Therefore,
$\frac{x}{12}=15$
$x=15\times12$
$x=180$
Three tenth of the number$=\frac{3}{10}\times180=3\times18=54$.
The correct option is (3) 54.
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