# 1 Calculate the amount and compound interest on:(d) Rs 8000 for 1 year at 9% per annum compounded half yearly.   (You could use the year by year calculation using SI formula to verify)

Given,

Principal,P =Rs.8000,  Rate, R =   9% per annum compounded half yearly for 1 year.

Now, There are two half years in a year. Therefore compounding has to be 2 times.

And rate = half of 9% = 4.5% half yearly.

Therefore, the required amount =   = Rs. 8736.20

And Compound Interest, CI = Amount - Principal = Rs. (8736.20 - 8000) = Rs. 736.20

P= is 8000

R = is 9%

2÷9%= per half yearly

(N)is 1 year

=2 half year

P= RS 8000

R= 9%

N= 3 years.

CI= 8000(1+9/100)3

8000 x (109/100)3

=  to cut the so the answer is 10360.30

= (10360.232-8000)

Ans= 2360.232RS

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