Question

Two equal sums of money were invested one at 4% and the other at 4 1/2% .At the end of 7yrs the simple intetrst recieved from the latter exceeded that recieved from the former by 31.50. Each sum was
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Answer 1

Answer:

900

Step-by-step explanation:

Let each of the equal sums be Rs.y.

Then, y x 4.5 x 7 / 100 - y x 4 x 7 /100 = 31.50

31.5x/100 - 28x/100 = 31.5

3.5x/100 = 31.5

31.5 x 100/3.5 = ₹ 900