Question

No.5 Find the simple interest of the following

Example - Simple interest =

100

i) Rs. 1200 for4 years at 7% per annum.

ii) Rs. 2150 for 21

2

years at 9% per annum.

iii) Rs. 2125 for 5 years at 4% per annum.​

Answer 1

$\red{ANSWER}$

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Answer 2

Answer

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For ,

N=4years

R=4 %

We have S.I.= PNR/100

=

P×4×4= 100

=0.16P

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

100R) N=P(1+ 1005

=P×(1.05 )=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