 # 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