Question

Heyy guys..... Tomorrow I have my maths exam....Help me out fastt...!


find the compound interest on 16000 for
$1 \times \frac{1}{2} \: years$
at 10% p.a, the interest being compounded half yearly. ​

Answer 1

Answer:

When the Interest is Compounded Annually

Formula

Let principal = P, rate = R% per annum and time = n years.

Then, the amount A is given by the formula

                                     A = P (1+R100)n .

Illustrative Examples

Example 1: Find the amount of Rs 8000 for 3 years, compounded annually at 10% per annum. Also,find the compound interest.

Solution.    Here, P = Rs 8000, R =10% per annum and n =3 years.

            Using the formula A = P (1+R100)n , we get

            Amount after 3Years = {8000×(1+10100)3 }

                                                = Rs (8000 x  1110 x 1110 x 1110)

                                               = Rs 10648.

            Thus, Amount after 3 years = Rs 10648.

            And, compound interest = Rs (10648 – 8000) = Rs 2648

Answer 2

Answer:

P principal: 16000

R rate: 10 per cent

T time: 1½= 3/2 years

compounded half yearly

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