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Home Aptitude Simple Interest Comments

  • Question
  • The Simple Interest(SI) for 16 years on an amount at particular rate is Rs 10000. If the principal is doubled at an interval of every 4 years and the rate is tripled at every such in terval, find the new Simple Interest(SI)


  • Options
  • A. 632100
  • B. 689620
  • C. 602260
  • D. 647500

  • Correct Answer
  • 647500 

    Explanation
    Let New SI be X

    10000/16 = X/4(1*1+2*3+4*9+8*27)

    10000/16=X/4(1+6+36+216)

    X=647500

  • Tags: Bank Exams

    Simple Interest problems


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    • 1. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:

    • Options
    • A. Rs 14000
    • B. Rs 3500
    • C. Rs 7000
    • D. Rs 5600
    • Discuss
    • 2. The difference between the interests earned when Rs. P is invested for four years in a scheme offering 9% p.a. Simple interest and when the same sum (Rs P) is invested for two years in another scheme offering 12% p.a. simple interest, is Rs 480. What is the value of P?

    • Options
    • A. 2000
    • B. 3500
    • C. 2500
    • D. 4000
    • Discuss
    • 3. Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?

    • Options
    • A. 2500
    • B. 2000
    • C. 3000
    • D. 3500
    • Discuss
    • 4. Simple interest on a sum for eight months at 6% per annum is Rs 340.What is the value (in Rs) of sum?

    • Options
    • A. 8500
    • B. 9500
    • C. 8000
    • D. 6800
    • Discuss
    • 5. A man borrowed some money from a private organisation at 5% simple interest per annum. He lended this money to another person at 10% compound interest per annum, and made a profit of 26,410 in 4 years. The man borrowed

    • Options
    • A. 200000
    • B. 150000
    • C. 132050
    • D. 100000
    • Discuss
    • 6. The difference of compound interest and simple interest for 3 years and for 2 years are in ratio 23 : 7 respectively. What is rate of interest per annum (in %)?

    • Options
    • A. 200/7
    • B. 100/7
    • C. 300/7
    • D. 400/7
    • Discuss
    • 7. A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both of them as interest. What is the rate of interest (in %)?

    • Options
    • A. 10
    • B. 12
    • C. 20
    • D. 25
    • Discuss
    • 8. A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

    • Options
    • A. 2
    • B. 3
    • C. 3.5
    • D. 4
    • Discuss
    • 9. For an amount, simple interest at the rate of interest of 12% per annum for 6 years is Rs 25920. What will be the compound interest (in Rs) on same amount at the rate of interest of 8% per annum compounding annually for 2 years?

    • Options
    • A. 4326.3
    • B. 5563.4
    • C. 5888.6
    • D. 5990.4
    • Discuss
    • 10. A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

    • Options
    • A. 20
    • B. 15
    • C. 25
    • D. 10
    • Discuss


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