1.

The rate of interest on a sum of money is 4% p.a. for the first 2 years 6% p.a. for the next 3 years and 8% p.a. for the period beyond 5 years. If the simple interest accured by the sum for a total period of 8 years is Rs. 1280, what is the sum ?

A. Rs. 1523
B. Rs. 1680
C. Rs. 2560
D. Rs. 2840
Answer» D. Rs. 2840


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