Question

14. What sum of money will produce the interest Rs. 160 in 8 years at the rate of 5% per year

15. In what time will the interest on Rs. 500 be Rs. 120 at 8% per year rate?​

Answer 1

14.

$p = \frac{s.i \times 100}{r \times t}$

$= \frac{160 \times 100}{5 \times 8}$

$p = 400$

Principal = Rs. 400

15.

$t = \frac{s.i \times 100}{p \times r}$

$= \frac{120 \times 100}{500 \times 8}$

$t = 3$

Time = 3 Years

Answer 2

Answer

Time =3 years

Step-by-step explanation:

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