Simple Interest bits part-1

  1. A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned ?
    A. ₹ 35
    B. ₹ 350
    C. ₹ 245
    D. Can’t be determined
    E. None of these

  2. The simple interest on a sum of money will be Rs. 200 after 5 yr. In the next 5 yr, principal is tripled. What will be the total interest at the end of the 10th yr?
    A. ₹ 650
    B. ₹ 850
    C. ₹ 800
    D. Can’t be determined
    E. None of these

  3. A sum of money becomes 9 times in 20 years. Find the 10 times of rate of interest.
    A. 350%
    B. 45%
    C. 400%
    D. 250%
    E. None of these

  4. A sum becomes 6 fold at 5% per annum. At what rate, the sum becomes 12 fold?
    A. 10%
    B. 12%
    C. 9%
    D. 11%
    E. None of these

  5. The rates of simple interest in two banks x and y are in the ratio of 10 : 8. Rajini wants to deposit her total savings in two banks in such a way that she receives equal half-yearly interest from both. She should deposit the savings in banks x and y in the ratio of
    A. 4 : 5
    B. 3 : 5
    C. 5 : 4
    D. 2 : 1
    E. None of these

  6. The simple interest accrued on an amount of Rs. 12450 at the end of 6 years is Rs. 8964. What is the rate of interest per year?
    A. 8%
    B. 14%
    C. 10%
    D. 12%
    E. None of these

  7. The simple interest on a sum of money will be Rs. 600 after 10 years. If the principal is trebled after 5 years, what will be the total interest at the end of the tenth year?
    A. ₹ 600
    B. ₹ 900
    C. ₹ 1200
    D. ₹ 1500
    E. None of these

  8. According to a new plan rolled out by HISP Bank, the rate of simple interest on the sum of money is 8% pa for the first two years, 10% pa for the next three years and 6% pa for the period beyond the first five years. The simple interest accrued on a sum for a period of eight years is Rs. 12,800. Find the sum
    A. ₹ 24000
    B. ₹ 16000
    C. ₹ 15000
    D. ₹ 13500
    E. None of these

  9. A certain sum of money amounts to ₹ 720 in 2 years and ₹ 870 in 4.5 years. Find the sum and the rate of interest.
    A. ₹ 600, 10%
    B. ₹ 600, 12%
    C. ₹ 620, 12%
    D. ₹ 660, 12%
    E. None of these

  10. ₹ 16000 was invested for three years, partly in scheme A at the rate of 5% simple interest per annum and partly in scheme B at the rate of 8% simple interest per annum. The total interest received at the end was ₹ 3480. What amount of money was invested in scheme A ?
    A. ₹ 6000
    B. ₹ 6500
    C. ₹ 4500
    D. ₹ 4000
    E. ₹ 8000

Correct Answers:

  1. D
  2. C
  3. C
  4. D
  5. A
  6. D
  7. C
  8. E
  9. A
  10. D