Math, asked by itstopper, 4 months ago

Find the compound interest on 2000 at the rate of 8% per annum for 18 months, when the interest is
calculated half-yearly.

answer is 161 rs but I want solution. please help me!!​

Answers

Answered by subhashmkg667
1

Here, P= 1000, r=10% per annum

and n=18 months =

12

18

years =

2

3

years =1

2

1

years

∴ Amount after 18 months =P[1+

2

1

(

100

r

)]

2n

=1000[1+

2

1

(

100

10

)]

2

3

=1000(1+

200

10

)

3

=1000(

20

21

)

3

=1000×

20

21

×

20

21

×

20

21

= 1157.625

= 1157.63

C.I. =A−P

=1157.63−1000= 157.63

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