Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 856 · 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.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
2. 2.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹425 (b) ₹2550 (c) ₹2125 (d) ₹10625
3. 3.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹8160 (c) ₹8480 (d) ₹480
4. 4.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
5. 5.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹1080 (c) ₹6360 (d) ₹7080
6. 6.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹8400 (c) ₹8175 (d) ₹7725
7. 7.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
8. 8.The simple interest on ₹6000 for 2 years is ₹360. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 4%
9. 9.The simple interest on ₹7000 for 3 years is ₹840. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
10. 10.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 11% (b) 10% (c) 44% (d) 12%
11. 11.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹9860 (b) ₹2040 (c) ₹680 (d) ₹1360
12. 12.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹150 (b) ₹600 (c) ₹2100 (d) ₹750
13. 13.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹1550 (b) ₹110 (c) ₹660 (d) ₹550
14. 14.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹8050 (b) ₹210 (c) ₹1260 (d) ₹1050
15. 15.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
16. 16.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹1995 (b) ₹1330 (c) ₹10830 (d) ₹665
17. 17.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
18. 18.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3025 (b) ₹2675 (c) ₹350 (d) ₹2850
19. 19.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹1050 (b) ₹210 (c) ₹3840 (d) ₹840
20. 20.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹10400 (b) ₹200 (c) ₹600 (d) ₹400
21. 21.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
22. 22.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
23. 23.What is the simple interest on ₹10000 at 12% per year for 4 years? (a) ₹14800 (b) ₹1200 (c) ₹6000 (d) ₹4800
24. 24.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
25. 25.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹8840 (b) ₹585 (c) ₹2340 (d) ₹2925
26. 26.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 50%
27. 27.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
28. 28.₹10000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹15000 (b) ₹16000 (c) ₹11000 (d) ₹5000
29. 29.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
30. 30.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹10070 (c) ₹10355 (d) ₹9785
31. 31.₹3500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹525 (b) ₹4200 (c) ₹3675 (d) ₹4025
32. 32.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7875 (b) ₹9000 (c) ₹1500 (d) ₹9375
33. 33.₹4500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4905 (b) ₹270 (c) ₹4635 (d) ₹4770
34. 34.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹5550 (c) ₹7750 (d) ₹7200
35. 35.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹2000 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
38. 38.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹600 (b) ₹1800 (c) ₹2400 (d) ₹9300
39. 39.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹200 (b) ₹50 (c) ₹1150 (d) ₹150
40. 40.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹5800 (c) ₹6200 (d) ₹5400

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