A certain principal invested in a scheme of compound interest. The amount obtained after 1 year is Rs. 3900 and the amount obtained after 2 years is Rs. 5070. What is the rate of interest (in percentage)?

A certain principal invested in a scheme of compound interest. The amo

1.	A certain principal invested in a scheme of compound interest. The amount obtained after 1 year is Rs. 3900 and the amount obtained after 2 years is Rs. 5070. What is the rate of interest (in percentage)?
A.	25
B.	30
C.	35
D.	37.5
Answer» C. 35

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A certain principal invested in a scheme of compound interest. The amount obtained after 1 year is Rs. 3900 and the amount obtained after 2 years is Rs. 5070. What is the rate of interest (in percentage)?

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