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18. The simple interest eamed on a certain sum in 5 years is 30% of the sum. Find the rate of interest​

Answer»

Step-by-step explanation:LET the SUM = (P) = ₹ 100 S.I. = (30/100) × ₹ 100 = ₹ 30 PERIOD (T) = 5 Years ∴ RATE = (S.I. × 100)/(P × T) = (30 × 100)/(100 × 5) = 6%



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