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InterviewSolution
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The proce of an article increased successively over three consecutive weeks. It increased by `10%` in the first week, `20%` in the second week and `25%` in the third week. Find the effective percentage increase in its price after three weeks.A. `55%`B. `65%`C. `50%`D. `60%` |
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Answer» Correct Answer - B Let the initial price be Rs. 100. Final price (in Rs.) `=100(1+(10)/(100))(1+(20)/(100))(1+(25)/(100))=100((11)/(10))((6)/(5))((5)/(4))` `therefore ` Effective percentage increase =65% |
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