₹20000 is invested for 3 years at compound interest, the rate being 10% in the first year, 15% in the second year and 20% in the third year. The amount at the end of 3 years (in ₹) is:

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Accepted Answer

30360. Apply the rates one after another: 20000 × 1.10 = 22000; 22000 × 1.15 = 25300; 25300 × 1.20 = ₹30360. (Adding the rates to get 45% and taking 29000 ignores the compounding.)

₹20000 is invested for 3 years at compound interest, the rate being 10% in the first year, 15% in the second year and 20% in the third year. The amount at the end of 3 years (in ₹) is:

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