Question

The difference between the simple interest and the compound interest on a sum of money for 2 years at 12% per annum is Rs. 216. Find the sum.​

Answer 1

P x R x T / 100 = P X [ 100 X R / 100 ] - 1 = 216

P X 2 X 22 / 100 -  ( [ 112 / 100 ] -1 )

6P / 2s - ( 784 625 -625 / 625 = 159 / 625 ) =  216

159 p - 150 p / 625 = 9p / 625 = 216

p = 216 x 625 / 9 = 15000 $

Thun the sum is 15000 $.

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Answer 2

Answer:

15000 Rs

Step-by-step explanation:

solve by the formula :

P((100+r)/100)^n-1-(nr/100))=216

here, p=principle

n=time=2years

r=rate of interest=12℅