Question

6. Find the time when :
(i) 1250 amounts to 1950 at 16% per annum​

Answer 1

time is 3.5year

Principal (P) = ₹ 1250

Amount (A) = ₹ 1950

S.I. = A – P = ₹ 1950 – ₹ 1250 = ₹ 700

Rate = 16% p.a.

time=S.I.*100/P*R

=700*100/16*1250

=7/2

=3/2 or3.5 years

Answer 2

In decimal = 3.5 years

In fraction = 3/2 years

Explanation:

Principal = 1250

Amount = 1950

Simple Interest = 1950 - 1250 = 700

Time =$\frac{simple \: interest \: \times 100}{p \times r}$

$\frac{700 \times 100}{1250 \times 16} = 3.5$