Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 655 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹6300 (c) ₹7800 (d) ₹7500
2. 2.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹7020 (b) ₹260 (c) ₹780 (d) ₹520
3. 3.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
4. 4.In how many years will ₹3500 earn ₹2100 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
5. 5.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹160 (b) ₹8800 (c) ₹800 (d) ₹960
6. 6.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹1200 (b) ₹7200 (c) ₹600 (d) ₹1800
7. 7.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹5310 (c) ₹5580 (d) ₹4770
8. 8.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 7% (b) 28% (c) 6% (d) 8%
9. 9.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5350 (b) ₹1400 (c) ₹6400 (d) ₹6750
10. 10.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
11. 11.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹11560 (c) ₹11050 (d) ₹9010
12. 12.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹2700 (b) ₹540 (c) ₹11700 (d) ₹3240
13. 13.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹420 (b) ₹350 (c) ₹1350 (d) ₹70
14. 14.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
15. 15.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹1125 (b) ₹8250 (c) ₹750 (d) ₹375
16. 16.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
17. 17.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹15200 (b) ₹4560 (c) ₹10640 (d) ₹14060
18. 18.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹120 (b) ₹90 (c) ₹30 (d) ₹1590
19. 19.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹400 (b) ₹9600 (c) ₹2000 (d) ₹1600
20. 20.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
21. 21.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 11% (b) 12% (c) 55% (d) 10%
22. 22.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹3700 (b) ₹300 (c) ₹1500 (d) ₹1200
23. 23.The simple interest on ₹8500 for 2 years is ₹1700. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
24. 24.What is the simple interest on ₹5500 at 12% per year for 2 years? (a) ₹6820 (b) ₹1980 (c) ₹1320 (d) ₹660
25. 25.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6180 (b) ₹6900 (c) ₹720 (d) ₹6720
26. 26.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹135 (b) ₹540 (c) ₹1905 (d) ₹405
27. 27.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹5425 (b) ₹2310 (c) ₹1925 (d) ₹385
28. 28.In how many years will ₹7000 earn ₹700 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
29. 29.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
30. 30.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
31. 31.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2900 (b) ₹400 (c) ₹2700 (d) ₹3100
32. 32.The simple interest on ₹6000 for 3 years is ₹1980. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
33. 33.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹2625 (b) ₹3150 (c) ₹525 (d) ₹10125
34. 34.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
35. 35.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
36. 36.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹3125 (b) ₹625 (c) ₹125 (d) ₹750
37. 37.The simple interest on ₹8000 for 4 years is ₹2560. What is the rate per year? (a) 7% (b) 8% (c) 32% (d) 9%
38. 38.The simple interest on ₹6500 for 5 years is ₹1300. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
39. 39.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
40. 40.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9265 (b) ₹9520 (c) ₹765 (d) ₹8755

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