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Home Aptitude Compound Interest Comments

  • Question
  • A sum is equally invested in two different schemes on CI at the rate of 15% and 20% for two years. If interest gained from the sum invested at 20% is Rs. 528.75 more than the sum invested at 15%, find the total sum?


  • Options
  • A. Rs. 7000
  • B. Rs. 4500
  • C. Rs. 9000
  • D. Rs. 8200

  • Correct Answer
  • Rs. 9000 

    Explanation

    Let Rs. K invested in each scheme

    Two years C.I on 20% = 20 + 20 + 20x20/100 = 44%

    Two years C.I on 15% = 15 + 15 + 15x15/100 = 32.25%

    Now,

    (P x 44/100) - (P x 32.25/100) = 528.75

    => 11.75 P = 52875

    => P = Rs. 4500

     

    Hence, total invested money = P + P = 4500 + 4500 = Rs. 9000.

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    Compound Interest problems


    Search Results


    • 1. What is the interest rate per annum, if a sum of money invested at compound interest amount to Rs. 2400 in 3 years and in 4 years to Rs. 2,520?

    • Options
    • A. 3.5%
    • B. 4%
    • C. 5%
    • D. 6.5%
    • Discuss
    • 2. Find the compound interest on Rs. 6,500 for 4 years if the rate of interest is 10% p.a. for the first 2 years and 20% per annum for the next 2 years?

    • Options
    • A. Rs. 3845
    • B. Rs. 4826
    • C. Rs. 5142
    • D. Rs. 4415
    • Discuss
    • 3. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:

    • Options
    • A. Rs.1550
    • B. Rs.1650
    • C. Rs,1750
    • D. Rs.1850
    • Discuss
    • 4. The present worth of Rs.169 due in 2 years at 4% per annum compound interest is

    • Options
    • A. Rs.156.25
    • B. Rs.150
    • C. Rs.140
    • D. Rs125.25
    • Discuss
    • 5. A certain sum is invested for 2 years in scheme M at 20% p.a. compound interest (compounded annually), Same sum is also invested for the same period in scheme N at k% p.a. simple interest. The interest earned from scheme M is twice of that earned from scheme N. What is the value of k?

    • Options
    • A. 7
    • B. 11
    • C. 9
    • D. 13
    • Discuss
    • 6. The compound interest on Rs. 8000 for 3 year at 10% p.a. is

    • Options
    • A. 2648
    • B. 2145
    • C. 2587
    • D. 2784
    • Discuss
    • 7. What is the difference between the compound interests on Rs. 5000 for 11?2 years at 4% per annum compounded yearly and half-yearly?

    • Options
    • A. Rs. 1.80
    • B. Rs. 2.04
    • C. Rs. 3.18
    • D. Rs. 4.15
    • Discuss
    • 8. At a certain rate of interest the compound interest of 3 years and simple interest of 5 years for certain sum of money is respectively Rs. 1513.2 and Rs. 2400. Find the common rate of interest per annum ?

    • Options
    • A. 5%
    • B. 6%
    • C. 4%
    • D. 3%
    • Discuss
    • 9. What will be the compound interest on a sum of Rs.25,000 after 3 years at the rate of 12 p.c.p.a?

    • Options
    • A. Rs.10123.20
    • B. Rs.12100
    • C. Rs.12552
    • D. Rs.12665
    • Discuss
    • 10. Rs. 5887 is divided between Shyam and Ram, such that Shyam's share at the end of 9 years is equal to Ram's share at the end of 11 years, compounded annually at the rate of 5%. Find the share of Shyam.

    • Options
    • A. 3567
    • B. 3452
    • C. 3087
    • D. 3544
    • Discuss


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