Discussion of Question with ID = 048 under Ratio-and-Proportion

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If 50% of a number is equal to 9/13 of another number, then what is the ratio of first number to second number?









Ans: a

We have ${50A}/100 = {9B}/13$, which can be re-arranged to $A/{9 × 100} = B/{50 × 13}$, so the required ratio is (9 × 100) : (50 × 13), which is 18 : 13. So the answer is ${18/13}$, which is same as: $1{5/13}$.

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