4 Mark Question

Question 14 Marks

Kisanrao wanted to make a pond in his field. He borrowed Rs 35,250 from a bank at an interest rate of 6 p.c.p.a. How much interest will he have to pay to the bank at the end of the year?

Answer

Principal Amount = Rs 35,250
Rate of interest = 6 p.c.p.a.
Let interest on principal Rs 35,250 be Rs x
By taking ratio of the interest to the principal for both, we obtain an equation

∴ Kisanrao will have to pay an interest of Rs 2115 to the bank at the end of the year.

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Question 24 Marks

Ahmad Chacha borrowed Rs 25,000 at 12 p.c.p.a. for a year. What amount will he have to return to the bank at the end of the year?

Answer

Principal Amount = Rs 25,000
Rate of interest = 12 p.c.p.a.
Let interest on principal Rs 25,000 be Rs x
By taking ratio of the interest to the principal for both, we obtain an equation

Amount to be returned to the bank at the end of the year = Principal Amount + Interest
= Rs 25,000 + Rs 3,000
= Rs 28,000
Ahmad Chacha has to return Rs 28,000 to the bank at the end of the year.

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Question 34 Marks

Mahesh deposited Rs 8650 in a bank at a rate of 6 p.c.p.a. How much money will he get at the end of the year in all?

Answer

Principal Amount = Rs 8650
Rate of interest = 6 p.c.p.a.
Let interest on principal Rs 8650 be Rs x
By taking ratio of the interest to the principal for both, we obtain an equation

∴ Amount received at the end of the year = Principal amount + Interest
= Rs 8650 + Rs 519
= Rs 9169
∴ Mahesh will get Rs 9169 at the end of the year.

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Question 44 Marks

At a rate of 10 p.c.p.a., what would be the interest for one year on Rs 6000?

Answer

Principal Amount = Rs 6000
Rate of Interest = 10 p.c.p.a.
Let interest on principal Rs 6000 be Rs x.
By taking ratio of the interest to the principal for both, we obtain an equation x 10

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Maths 4 Mark Question

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