Question
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
Answer: Option D
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Let the number be x.
Then, \(\frac{1}{3} of \frac{1}{4} of x = 15 \Leftrightarrow x = 15\times12 = 180.\)
So, required number = \(\left(\frac{3}{10}\times180\right) = 54\)
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