Question

find the rate of compound interest on Rs. 6250 earning interest on Rs 510 in 2 years.


give me with correct answer ​

Answer 1

Answer:

The compound interest on a certain sum for 2 years is Rs 882, whereas the simple interest on it is Rs 840. Find the rate of interest.

Step-by-step explanation:

Answer 2

Answer: rate=4%

Step-by-step explanation:

P=6250             CI=510         n=2

A=6250+510=6760

$A=P(1+r/100)^n$

$6760=6250(1+$$r/100)^2$

$6760/6250=(1+r/100)^2\\676/625=(1+r/100)^2\\\\(26/25)^2=(1+r/100)^2\\26/25=1+r/100\\r/100=26/25-1\\r/100=26/25-25/25\\r/100=1/25\\r=100/25\\r=4$