Question

the difference between SI and CI on a certain sum of money for 2 years 4% per annum is rs 20 Find the sum

Answer 1

diff=p(r/100)2

20=p(4/100)2

p=(20*10000)/16

p=12500

Answer 2

Rs. 12, 500 is the sum of money.

Step-by-step explanation:

Given that,

The difference between SI and CI on a certain sum of money for 2 years 4% per annum is Rs. 20

By using the formula;

$(CI - SI)_{2 year}$ = $\frac{Pr^{2} }{100^{2} }$

∵ 20 = $\frac{P * 4 * 4}{100 * 100}$

P = 100 * 25 * 5

∵ The sum of money or the principal = Rs. 12, 500

Learn more: CI & SI

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