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If a certain amount doubles in four years under simple interest, in how many years would it becomes 8 times itself at...
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Let, the principal and rate of interest per annum be P and r respectively.Amount after 4 years = 2PAmount = Principal + Interest2P = P + InterestInterest = 2P − P = PInterest for four years is...
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Amount = Principal + InterestIf the Principal becomes k times after n years under simple interest then the Interest...
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