A sum of Rs. 1500 is invested at simple interest for x months. If the rate of interest is \(\frac{x}{9}\%\) per annum, then the sum grows to Rs. 1580. What is the value of x?

A sum of Rs. 1500 is invested at simple interest for x months. If the

1.	A sum of Rs. 1500 is invested at simple interest for x months. If the rate of interest is \(\frac{x}{9}\%\) per annum, then the sum grows to Rs. 1580. What is the value of x?
A.	2.4
B.	32
C.	24
D.	3.2
Answer» D. 3.2

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A sum of Rs. 1500 is invested at simple interest for x months. If the rate of interest is \(\frac{x}{9}\%\) per annum, then the sum grows to Rs. 1580. What is the value of x?

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