Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 110 · 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 ₹9500 for 4 years is ₹1520. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
2. 2.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5175 (b) ₹540 (c) ₹4635 (d) ₹5040
3. 3.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹1220 (b) ₹110 (c) ₹220 (d) ₹330
4. 4.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
5. 5.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹1800 (b) ₹300 (c) ₹150 (d) ₹450
6. 6.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
7. 7.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
8. 8.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹950 (b) ₹9690 (c) ₹10450 (d) ₹10640
9. 9.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3710 (b) ₹4340 (c) ₹840 (d) ₹4550
10. 10.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹360 (d) ₹6300
11. 11.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹200 (b) ₹800 (c) ₹1000 (d) ₹3300
12. 12.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 20%
13. 13.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10600 (b) ₹13600 (c) ₹3000 (d) ₹13000
14. 14.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9360 (b) ₹11160 (c) ₹1800 (d) ₹10800
15. 15.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹1590 (c) ₹1680 (d) ₹1770
16. 16.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 36% (b) 8% (c) 10% (d) 9%
17. 17.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹6105 (b) ₹3025 (c) ₹9130 (d) ₹8525
18. 18.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4440 (b) ₹1200 (c) ₹3240 (d) ₹4200
19. 19.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹700 (b) ₹2700 (c) ₹140 (d) ₹840
20. 20.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
21. 21.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹2100 (b) ₹1750 (c) ₹8750 (d) ₹350
22. 22.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
23. 23.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
24. 24.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 5% (b) 4% (c) 15% (d) 6%
25. 25.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹390 (b) ₹7280 (c) ₹1170 (d) ₹780
26. 26.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹100 (c) ₹50 (d) ₹1100
27. 27.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹440 (c) ₹1320 (d) ₹880
28. 28.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
29. 29.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4350 (b) ₹4080 (c) ₹3270 (d) ₹1080
30. 30.The simple interest on ₹5000 for 4 years is ₹1400. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 28%
31. 31.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹320 (c) ₹2480 (d) ₹2320
32. 32.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2325 (b) ₹2160 (c) ₹1665 (d) ₹660
33. 33.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹3600 (b) ₹600 (c) ₹3000 (d) ₹10500
34. 34.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
35. 35.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹2800 (b) ₹800 (c) ₹200 (d) ₹1000
36. 36.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10545 (b) ₹5225 (c) ₹14725 (d) ₹15770
37. 37.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹900 (d) ₹6900
38. 38.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
39. 39.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
40. 40.₹2500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹700 (b) ₹3375 (c) ₹3200 (d) ₹2675

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