Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 992 · 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.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹285 (b) ₹1140 (c) ₹10355 (d) ₹855
2. 2.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
3. 3.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹2800 (c) ₹3700 (d) ₹1200
4. 4.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹640 (b) ₹160 (c) ₹800 (d) ₹2640
5. 5.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹10640 (c) ₹10070 (d) ₹1140
6. 6.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹150 (b) ₹600 (c) ₹450 (d) ₹3450
7. 7.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹1050 (b) ₹175 (c) ₹875 (d) ₹4375
8. 8.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
9. 9.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
10. 10.The simple interest on ₹6500 for 2 years is ₹650. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
11. 11.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
12. 12.₹10000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹12000 (b) ₹12500 (c) ₹10500 (d) ₹2000
13. 13.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1070 (b) ₹140 (c) ₹1210 (d) ₹1140
14. 14.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹540 (b) ₹675 (c) ₹2040 (d) ₹135
15. 15.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
16. 16.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹8800 (c) ₹9600 (d) ₹10400
17. 17.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
18. 18.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
19. 19.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹13600 (b) ₹2400 (c) ₹11200 (d) ₹12400
20. 20.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
21. 21.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 10% (b) 11% (c) 55% (d) 12%
22. 22.₹5500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹6160 (c) ₹8140 (d) ₹7480
23. 23.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹7630 (c) ₹210 (d) ₹630
24. 24.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
25. 25.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
26. 26.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1030 (b) ₹1060 (c) ₹60 (d) ₹1090
27. 27.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5300 (b) ₹5200 (c) ₹200 (d) ₹5100
28. 28.The simple interest on ₹7500 for 5 years is ₹2625. What is the rate per year? (a) 35% (b) 6% (c) 7% (d) 8%
29. 29.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1650 (b) ₹9150 (c) ₹9975 (d) ₹8325
30. 30.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
31. 31.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹1600 (b) ₹9280 (c) ₹320 (d) ₹1280
32. 32.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
33. 33.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
34. 34.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
35. 35.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹1620 (b) ₹540 (c) ₹5580 (d) ₹1080
36. 36.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
37. 37.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹13500 (b) ₹700 (c) ₹4200 (d) ₹3500
38. 38.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%
39. 39.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
40. 40.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹10260 (b) ₹630 (c) ₹1260 (d) ₹1890

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