1.

If the simple interest on a sum of money for 15 months at $${\text{7}}\frac{1}{2}$$ %per annum exceeds the simple interest on the same sum for 8 months at $${\text{12}}\frac{1}{2}$$ %per annum by Rs. 32.50, then the sum of money ( In Rs.) is ?

A. s. 312
B. s. 312.50
C. s. 3120
D. s. 3120.50
Answer» D. s. 3120.50


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