Question

Divide Rs. 15,600 into two parts such that interest on one at 5 percent for 5 years and be equal to that on the other at 41/2 percent for 6 years.

Answer 1

Assuming Simple Interest:

Part 1 : x

Part 2: (15600 -x)

x * 5 * 5 = (15600 -x) * 41/2 * 6

Solve for x.

Part 1 : 12965

Part 2 : 2635

Answer 2

solution
let the first part be x
other part = 15600 -x
considering the intrest to be simple intrest

x*5*5/100 = (15600-x)*20.5*6/100

25x = 1918800 - 123x
148x = 1918800
x = 12964.86

so the first part is 12964.86
and the other part is 2635.135
hope that helped
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