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many dozen apples aiu lle sel32, in how many years will a sum of money triples itself at 8% P.a simple interest?int rontrart money of Rs.4800 on th

Answer»

Let sum of money is P after T years , sum of money will be 3P as according to question, rate per annum = 8 %

we know, SI = P × R × T /100 = P × 8 × T/100

final sum of money = simple interest + initial sum of money 3P = SI + P 2P = P × 8 × T/1002 = 8T/100 T = 200/8 = 25

hence, after 25 years sum of money will be triple itself .



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