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Question 18

There are three cell phones A, B, C. A is 50% costlier than C and B is 25% costlier than C. A is a % costlier than B. Then $$a=$$

Solution

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Taking C's price as 100, A costs 150 and B costs 125. The percentage by which A is costlier than B is $$\frac{150-125}{125}\times100=20\%$$.

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