Question

the difference between the CI and Si on a certain sum of money at 10% per annum for 2 years is rupees 500 find the sum when the interest is compounded annually​

Answer 1

1. simple interest =p×r×t/100

=500×10×2/100

=100

= 500+100

=600

2. compound interest =p (1+r/100)^t

=500×110/100×110/100

=605

=605+500

=1105

Answer 2

The sum is Rs. 50000.

Step-by-step explanation:

Since we have given that

Difference between CI and SI = Rs. 500

Rate of interest = 10%

Time = 2 years

So, we need to find the sum.

So, it becomes,

$d=P(\dfrac{r}{100})^2\\\\500=P(\dfrac{10}{100})^2\\\\500=P\times \dfrac{1}{100}\\\\P=500\times 100\\\\P=Rs.\ 50000$

Hence, the sum is Rs. 50000.

# learn more:

The difference between the CI  and SI on a certain sum of money at the rate of 10 % per annum for 2 years Rs 200.find the sum when the interest is compounded annually

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