A certain sum invested on compound interest (compounded annually) grows to Rs. 5040 in three years. If the rate of interest is 20% for the first year, 40% for the second and 50% for the third year, then what is the sum?

A certain sum invested on compound interest (compounded annually) grow

1.	A certain sum invested on compound interest (compounded annually) grows to Rs. 5040 in three years. If the rate of interest is 20% for the first year, 40% for the second and 50% for the third year, then what is the sum?
A.	Rs. 1800
B.	Rs. 2000
C.	Rs. 2566
D.	Rs. 1210
Answer» C. Rs. 2566

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A certain sum invested on compound interest (compounded annually) grows to Rs. 5040 in three years. If the rate of interest is 20% for the first year, 40% for the second and 50% for the third year, then what is the sum?

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