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Home Aptitude Compound Interest Comments

  • Question
  • In what time will Rs. 1000 become Rs. 1331 at 10% per annum compounded annually?


  • Options
  • A. 1years
  • B. 2years
  • C. 3years
  • D. 4years

  • Correct Answer
  • 3years 

    Explanation

    Principal = Rs. 1000; Amount = Rs. 1331; Rate = 10% p.a. Let the time be n years. Then,
    [ 1000 (1+ (10/100))^n ] = 1331 or (11/10)^n = (1331/1000) = (11/10)^3
    n = 3 years

  • Tags: Bank Exams, Bank PO

    Compound Interest problems


    Search Results


    • 1. The compound interest on a sum of money for 2 years is rs.832 and the simple interest on the same sum for the same period is rs.800 .the difference between the compound interest and simple interest for 3 years

    • Options
    • A. Rs.48
    • B. Rs.66.56
    • C. Rs.98.56
    • D. None of these
    • Discuss
    • 2. A sum is being lent at 20 % per annum compound interest.what is the ratio of increase in amount of 4th year to 5th year?

    • Options
    • A. 4:5
    • B. 5:4
    • C. 5:6
    • D. can't be determined
    • Discuss
    • 3. Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, compounded quarterly

    • Options
    • A. 2422
    • B. 2522
    • C. 2622
    • D. 2722
    • Discuss
    • 4. A certain sum amounts to Rs.7350 in 2 years and to Rs.8575 in 3 years.find the sum and rate percent

    • Options
    • A. 3400
    • B. 4400
    • C. 5400
    • D. 6400
    • Discuss
    • 5. If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, find the compound interest on the same sum for the same period at the same rate.

    • Options
    • A. 1261
    • B. 1271
    • C. 1281
    • D. 1291
    • Discuss
    • 6. There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate

    • Options
    • A. Rs.4972
    • B. Rs.3972
    • C. Rs.5972
    • D. Rs.2972
    • Discuss
    • 7. On a sum of money, the simple interest for 2 years is Rs. 660,while the compound interest is Rs.696.30,the rate of interest being the same in both the cases. The rate of interest is

    • Options
    • A. 10%
    • B. 11%
    • C. 12%
    • D. 13%
    • Discuss
    • 8. The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 56. Then the sum is :

    • Options
    • A. Rs. 3680
    • B. Rs. 2650
    • C. Rs. 1400
    • D. Rs. 1170
    • Discuss
    • 9. The difference between simple interest and compound interest on Rs. 1200 for one year at 10% per annum reckoned half yearly is

    • Options
    • A. Rs.2.50
    • B. Rs.3
    • C. Rs.4
    • D. Rs.4.50
    • Discuss
    • 10. Find compound interest on Rs. 7500 at 4% per annum for 2 years, compounded annually.

    • Options
    • A. 612
    • B. 712
    • C. 812
    • D. 912
    • Discuss


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