Question : What is to be added to 15% of 160 so that the sum may be equal to 25% of 240?
Option 1: 24
Option 2: 84
Option 3: 60
Option 4: 36
Correct Answer: 36
Solution :
Let the unknown value be $x$
According to the question
15% of 160 + $x$ = 25% of 240
⇒ $\frac{15}{100}$ × 160 + $x$ = $\frac{25}{100}$ × 240
⇒ 24 + $x$ = 60
⇒ $x$ = 36
Hence, the correct answer is 36.
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