Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 941 · 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.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
2. 2.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3710 (b) ₹1050 (c) ₹4550 (d) ₹4760
3. 3.In how many years will ₹9500 earn ₹3420 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
4. 4.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹4760 (c) ₹840 (d) ₹3920
5. 5.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹765 (b) ₹8755 (c) ₹9520 (d) ₹9265
6. 6.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
7. 7.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6630 (b) ₹6760 (c) ₹260 (d) ₹6890
8. 8.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹4590 (c) ₹4770 (d) ₹180
9. 9.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
10. 10.The simple interest on ₹7500 for 3 years is ₹675. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
11. 11.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹7440 (c) ₹6480 (d) ₹6960
12. 12.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹2805 (b) ₹1870 (c) ₹935 (d) ₹10370
14. 14.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹10440
15. 15.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹270 (c) ₹1350 (d) ₹1080
16. 16.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
17. 17.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹1920 (b) ₹105 (c) ₹525 (d) ₹420
18. 18.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
19. 19.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹100 (b) ₹150 (c) ₹1100 (d) ₹50
20. 20.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹4550 (b) ₹1260 (c) ₹1050 (d) ₹210
21. 21.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹5940 (b) ₹1800 (c) ₹1440 (d) ₹360
22. 22.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹1650 (b) ₹150 (c) ₹30 (d) ₹180
23. 23.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹120 (b) ₹3480 (c) ₹600 (d) ₹480
24. 24.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹135 (b) ₹675 (c) ₹540 (d) ₹5040
25. 25.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹5400 (c) ₹5800 (d) ₹6200
26. 26.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹560 (b) ₹3920 (c) ₹140 (d) ₹420
27. 27.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹1300 (b) ₹7800 (c) ₹1950 (d) ₹650
28. 28.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
29. 29.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
30. 30.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 15% (b) 5% (c) 6% (d) 4%
31. 31.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
32. 32.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹7040 (b) ₹7425 (c) ₹1540 (d) ₹5885
33. 33.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
34. 34.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7140 (b) ₹7420 (c) ₹280 (d) ₹7280
35. 35.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹2160 (b) ₹360 (c) ₹4800 (d) ₹1800
36. 36.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 11% (b) 13% (c) 36% (d) 12%
37. 37.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9775 (b) ₹1020 (c) ₹8755 (d) ₹9520
38. 38.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
39. 39.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹8775 (b) ₹2275 (c) ₹455 (d) ₹2730
40. 40.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹2000 (b) ₹2400 (c) ₹7000 (d) ₹400

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