Math, asked by abhishekakhilesh3, 3 months ago

If in 2 years a principal of Rs.100 amounts Rs.144, then the rate of interest is ______________ p.c.p.a if compounded annually. I​

Answers

Answered by belamkarsavita5
1

Answer:

Given

time=2yrs

Principal=100

Amount=121

to find rate

A=P(1+

100

R

)

n

121=100(1+

100

R

)

2

100

121

=(1+

100

R

)

2

(10)

2

(11)

2

=(1+

100

R

)

2

now we will remove sq root of both sides L.HS and R.H.S

10

11

=(1+

100

R

)

10

11

−1=(

100

R

)

10

1

=(

100

R

)

R=

10

1

×100=10

Rate will be 10%

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Step-by-step explanation:

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Answered by sd513598
0

Answer:

simple interest = principal x rate of interest X time / 100

144=100*R*2/100

R= 100*144/100*2

R=72

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