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Home Aptitude Compound Interest Comments

  • Question
  • If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time


  • Options
  • A. Rs.51.25
  • B. Rs.61.25
  • C. Rs.51
  • D. Rs.42

  • Correct Answer
  • Rs.51.25 

    Explanation

    Sum = Rs.(50*100)/2*5=Rs.500

    Amount=Rs.[500*(1+5/100)2]

    = Rs. 551.25

     

     C.I = Rs.(551.25-500)= Rs.51.25


  • Compound Interest problems


    Search Results


    • 1. What is the rate of compound interest? I. The principal was invested for 4 years. II. The earned interest was Rs. 1491.

    • Options
    • A. I alone sufficient while II alone not sufficient to answer
    • B. II alone sufficient while I alone not sufficient to answer
    • C. Either I or II alone sufficient to answer
    • D. Either I or II alone sufficient to answer
    • Discuss
    • 2. The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period (in years) is:

    • Options
    • A. 3years
    • B. 2years
    • C. 4years
    • D. 6years
    • Discuss
    • 3. What is the difference between the compound interests on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?

    • Options
    • A. 2.04
    • B. 3.04
    • C. 4.04
    • D. 5.04
    • Discuss
    • 4. Find the compound interest on Rs.16,000 at 20% per annum for 9 months, compounded quartely.

    • Options
    • A. Rs.2522
    • B. Rs.2422
    • C. Rs.3522
    • D. Rs.2322
    • Discuss
    • 5. If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

    • Options
    • A. 7.5%
    • B. 7%
    • C. 6%
    • D. 6.5%
    • Discuss
    • 6. The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is

    • Options
    • A. Rs.2
    • B. Rs.3
    • C. Rs.4
    • D. Rs.5
    • Discuss
    • 7. The difference between compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is Rs. 41. What is the sum of money?

    • Options
    • A. Rs.7200
    • B. Rs.9600
    • C. Rs.16400
    • D. Rs.8400
    • Discuss
    • 8. An amount of money was lent for 3 years. What will be the difference between the simple and the compound interest earned on it at the same rate? I. The rate of interest was 8 p.c.p.a. II. The total amount of simple interest was Rs. 1200

    • Options
    • A. I alone sufficient while II alone not sufficient to answer
    • B. alone sufficient while I alone not sufficient to answer
    • C. Both I and II are not sufficient to answer
    • D. Both I and II are necessary to answer
    • Discuss
    • 9. If you deposit $6500 into an account paying 8% annual interest compounded monthly, how much money will be in the account after 7 years?

    • Options
    • A. 11358.24
    • B. 12334
    • C. 15789
    • D. 12386
    • Discuss
    • 10. How much money would you need to deposit today at 9% annual interest compounded monthly to have $12000 in the account after 6 years?

    • Options
    • A. 9007
    • B. 4007
    • C. 7007.08
    • D. 8oo7
    • Discuss


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