Question

radha take a loan of rs 7500/- from a bank for 4year 6 month at 10% per what amount he will paid fo bank to clear the debt?​

Answer 1

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Question

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Ramesh borrowed Rs 7000 from a bank on simple interest for a period of 5 years. He returned Rs 3000 to the bank at the end of three years and Rs 5450 at the end of the five years and closed the account. Find the rate of interest per annum.

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Solution

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Correct option is B)

Let the rate of interest =R%p.a.

In the first 3yrs,

principal =P=Rs7000, Time T=3yrs.

Then the interest =I

1

=

100

PRT

=

100

7000×R×3

=210R.

In the next (5-3)yrs=2yrs,

Pricipal =P=RS(7000−3000)=RS4000, Time =T=2yrs.

Then, the interest=I

2

=

100

PRT

=

100

4000×R×2

=80R.

∴ the total amount returned this time

=Rs(4000+I

1

+I

2

)=Rs5450

⟹4000+210R+80R=5450

⟹29R=1450

⟹R=5p.c.p.a.

So the rate of interest=5% p.a.

Step-by-step explanation:

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