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Question

Ashin invested an amount of Rs. 13,900 divided into two different schemes A and B at the simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years is Rs. 3508, what was the amount invested in Scheme B (in rupees)?


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Solution

Let the sum invested in Scheme A be Rs. x.
Then, sum invested in scheme B will be Rs. (13900 - x).

Given, total simple interest earned in 2 years is Rs. 3508.
Total interest = interest from scheme A + interest from scheme B

14×x×2100 + (13900x)×11×2100 = 3508


28x22x=350800(13900×22)

6x = 45000

x = 7500

So, sum invested in scheme B = Rs. (13900 - 7500) = Rs. 6400


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