Question

The simple interest on a certain sum of money for 3 years at 5%
per annum is 6000. Find the amount due and the sum of
money.​

Answer 1

Answer:

ANSWER

We have,

SI=Rs.6000,P=?,T=2 years,R=10%

Part (i)

We know that

or, SI=100P×R×T

or, 6000=100P×10×2

or, 6000=5P

or, P=Rs.30,000

Part (ii)

The amount at the end of the 3rd year an at the same rate of interest compounded annually.

or, A=P(1+100R)T

or, A=30000(1+10010)3

or, A=30000(1+101)3

or, A=30000(1011)3

or, A=Rs.39,930

Answer 2

Answer:

ANSWER

For ,

N=3years

R=5 %

We have S.I.=

100

PNR

=Rs600

=>

100

P×3×5

=600

=>P=Rs4,000

And on interest being compounded for 2 years, Amount=P(1+

100

R

)

N

=4,000×(1+

100

5

)

3

=4,000×1.05

3

=1.05

3

=Rs4,630.50

So, C.I.=A−P=Rs4,630.50=Rs4,000=Rs630

Step-by-step explanation:

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