NIFT PG 2009 Question Paper with solutions

Question : 137 of 150

Marks: +1, -0

15% of 45% of a number is 105.3. What is 24% of that number?

Solution:

Let, the number be x; then

\;\;{15}/{100}×\;\;{45}/{100}×x=105.3

⇒\x=\;\;{105.3×20×20}/{3×9}=1560

Thus

\;\;{24}/{100}×1560=\;\;{3744}/{10}=374.4

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