Question

The simple interest on a certain sum of money at 4% per annum for 4 year is Rupees 80 more than the interest on the same sum of 3 years at 5% per annum find the sum

Answer 1

Answer:

For ,

N=4years

R=4 %

We have S.I.=

100

PNR

=

100

P×4×4

=

100

16P

=0.16P

And on interest being compounded for 3 years and R=5 %, Amount=P(1+

100

R

)

N

=P(1+

100

5

)

3

=P×(1.05

3

)=1.157625P

So, C.I.=A−P=1.157625P−P=0.157625P

Given, S.I.−C.I=Rs228

=>0.16P−0.157625P=Rs228

=>0.002375P=Rs228

=>P=Rs96,000

Step-by-step explanation:

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