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Ratio and Propotion u4. The strength ofa school increased by 20% in one year, and decreased by 20% inthe next year. Is the final strength greater or less than the original one, and byhow much per cent? |
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Answer» Suppose strength= 100first year increase by 20% , total strength is=120second year decrease by 20%, total strength decrease =24total strength 2nd year is= 120-24=96strength decreases by 4% against first year |
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