Question

find what time rs 500 will yeilds 105 interest at 31/2%

Answer 1

principal= 500
intrest= 105
$i = \frac{p \times r \times t}{100}$
t= i×100/p×r
t= 105×100/500×31/2%
t=21×2/31
t= 1.3 yrs