Simple Interest Problems
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Questions and Answers

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?

    <p>10%</p> 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?

    <p>50%</p> 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?

    <p>100%</p> Signup and view all the answers

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

    <p>4% per annum</p> Signup and view all the answers

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

    <p>₹50,000</p> Signup and view all the answers

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

    <p>6.83% per annum</p> Signup and view all the answers

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

    <p>5 years</p> Signup and view all the answers

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

    <p>13%</p> Signup and view all the answers

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

    <p>₹10,000</p> Signup and view all the answers

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

    <p>6%</p> Signup and view all the answers

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

    <p>Rs.81600</p> Signup and view all the answers

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

    <p>5 years</p> Signup and view all the answers

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

    <p>9%</p> Signup and view all the answers

    What could be the amount of money borrowed by him?

    <p>Rs.800000</p> Signup and view all the answers

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

    <p>₹1120</p> Signup and view all the answers

    What is the value of 𝒙 in the given scenario?

    <p>10</p> 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?

    <p>₹5,096</p> 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?

    <p>₹12,000</p> 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?

    <p>₹4,160</p> 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?

    <p>8</p> 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?

    <p>19.25%</p> 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?

    <p>9</p> 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?

    <p>32,000</p> 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?

    <p>1,083.5</p> 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?

    <p>R is directly proportional to the initial amount</p> 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?

    <p>1.5 years</p> Signup and view all the answers

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