Simple Interest Problems

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What is the rate of interest per annum on a sum of Rs. 1600 that gives a simple interest of Rs. 252 in 2 years and 3 months?

7%

6%

8% (correct)

5%

If the simple interest on a sum of money for 2 years is equal to one-fifth of the sum, what is the rate of interest per annum?

None of these

10% (correct)

9%

8%

If the rate of interest per annum is R, and the sum of money becomes double in n years, then what is the value of R?

100/n (correct)

10/n

25/n

50/n

At what rate of simple interest per annum will the interest on a certain sum of money for 10 years be 5/2 of the amount?

10% Signup and view all the answers

If the sum of money becomes triple in 2 years at a certain rate of simple interest, what is the rate of interest per annum?

50% Signup and view all the answers

If the rate of interest per annum is R, and the sum of money becomes four times in 2 years, what is the value of R?

100% Signup and view all the answers

What is the rate of interest at which Murphy lends the money in the second part?

4% per annum Signup and view all the answers

What is the total amount of money Murphy has at the beginning of the first part?

₹50,000 Signup and view all the answers

What is the rate of interest at which Murphy earns interest in the first part?

6.83% per annum Signup and view all the answers

What is the time period for which Murphy earns interest in the first part?

5 years Signup and view all the answers

What is the interest rate for the period of 8 years or more?

13% Signup and view all the answers

What is the original sum of money for which the simple interest is calculated?

₹10,000 Signup and view all the answers

At what rate of interest was the money borrowed for the first three years?

6% Signup and view all the answers

What is the total interest paid by him at the end of eleven years?

Rs.81600 Signup and view all the answers

For how many years was the money borrowed at an interest rate of 9%?

5 years Signup and view all the answers

What is the interest rate for the next 5 years after the initial 3 years?

9% Signup and view all the answers

What could be the amount of money borrowed by him?

Rs.800000 Signup and view all the answers

If ₹4160 is invested at 𝒙% p.a. simple interest for 2 years, what is the interest earned?

₹1120 Signup and view all the answers

What is the value of 𝒙 in the given scenario?

10 Signup and view all the answers

If the same sum is invested at 14% p.a. simple interest for 4 years, what is the total amount?

₹5,096 Signup and view all the answers

A certain sum amounts to ₹15,748 in 3 years at 𝒓% p.a. simple interest. What is the principal amount?

₹12,000 Signup and view all the answers

The simple interest on the same sum for 4 years at 14% p.a. is ₹585 more than the interest earned at 𝒙% p.a. for 2 years. What is the principal amount?

₹4,160 Signup and view all the answers

What is the value of 𝒓 if the same sum amounts to ₹16,510 at (𝒓 + 2)% p.a. simple interest in the same time?

8 Signup and view all the answers

A certain sum of money becomes ₹40,000 in 2 years and ₹55,000 in 4 years 6 months at the same rate of interest per annum. What is the rate of simple interest?

19.25% Signup and view all the answers

If a sum of money becomes ₹9,766 in 3 years at simple interest at R% per annum, what is the value of R?

9 Signup and view all the answers

If a sum of money becomes ₹40,000 in 2 years and ₹55,000 in 4 years 6 months at the same rate of interest per annum, what is the initial amount?

32,000 Signup and view all the answers

A certain sum of money becomes ₹9,766 in 3 years and ₹10,849 in 4.5 years at the same rate of simple interest. What is the difference between the two amounts?

1,083.5 Signup and view all the answers

If the rate of simple interest is R%, and the sum of money becomes ₹40,000 in 2 years and ₹55,000 in 4 years 6 months, what is the relation between R and the initial amount?

R is directly proportional to the initial amount Signup and view all the answers

If a sum of money becomes ₹9,766 in 3 years and ₹10,849 in 4.5 years at the same rate of simple interest, what is the time period for which the interest is ₹1,083.5?

1.5 years Signup and view all the answers