Question

what is the compound intreset at rs1600 at 20% per annum for 1 year 6 months , compounded half yearly​

Answer 1

Let P be the principal and the rate of interest be R% per annum. If the interest is compounded annually, then the amount A and the compound interest C.I. at the end of n years is given by:

A

=

P

(

1

+

R

100

)

n

and

C

I

=

A

−

P

C

I

=

P

(

1

+

R

100

)

n

−

P

C

I

=

P

[

(

1

+

R

100

)

n

−

1

]

Example 3: Find the compound interest on Rs 12000 for 3 years at 10% per annum compounded annually.

i think this is not your answer but answer formula is right