Q14 of 59 Page 147

In how many years will a sum of money becomes three times at the rate of interest 10% per annum?

Given: Let Principle be ₹ P, Rate = 10% per annum, Amount = ₹ 3P


Simple Interest =Amount – Principle


Simple Interest = 3P – P = 2P




⇒ t = 20 years


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