Question

find the compound interest on a sum of rupees 12000 at the rate of 8% per annum for 1 years compounded quarterly

Answer 1

First you have to know about quarterly.
Take an ex.. Like ⬆⬆⬆⬆⬆ see photo

Now,,
Using formula
P(1+r\100)^n
Principle will be 12000
Rate will be 2%. (Because of quarterly)
And
Year be 3yr.

12000(1+2/100)^3
12000(1+1/50)^3
12000(51/50)^3
12000×51/50×51/50×51/50
All the 0 will be cut
12×51/5×51/5×51/5
1591812/125
A=12734.496
CI=A-P
12734.496 -12000
CI=734.496

Answer 2

Hi this is the answer