If simple interest on a certain sum for 15 months at 7(1/2) % per annu – McqOptions

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1.	If simple interest on a certain sum for 15 months at 7(1/2) % per annum exceeds the simple interest on the same sum for 8 months at 12(1/2)% per annum by Rs. 32.50, then the sum (in Rs.) is
A.	312
B.	312.50
C.	3120
D.	3120.50
Answer» D. 3120.50

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