Question

At what rate percent compound interest per annum will rs 16000 amount to rs 22781.25 in 3 years

Answer 1

Mark me as brainliest.

Answer 2

Here your answer goes

Step :- 1

Given ,

Principal (P)  = 16000

Amount (A)   = Rs.22781.25

Time (T)  = 3 years

Rate (R)  = r

Step :-2

$A = P(1 + \frac{r}{100} )^t$

Put the values :-

$22781.25 = 16000 (1 + \frac{r}{100} )^3$

⇒ $\frac{22781.25}{16000} = (1 + \frac{r}{100} )^3$

⇒ $\frac{2278125}{1600000} = (1 +\frac{r}{100} )^3$

⇒ $\frac{729}{512} = (1 + \frac{r}{100} )^3$

⇒ $\sqrt[3]{\frac{729}{512} }$ = $1 + \frac{r}{100}$

⇒ $\frac{9}{8} - 1 = \frac{r}{100}$

⇒ $\frac{1}{8} * 100 = r$

⇒ 12.5% = r

Therefore , the rate percent is 12.5%

↓↓

Be Brainly

Together WE go far →→