Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 749 · 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.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10500 (b) ₹11000 (c) ₹1000 (d) ₹11500
2. 2.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 36% (b) 10% (c) 9% (d) 8%
3. 3.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
4. 4.What is the simple interest on ₹9500 at 8% per year for 4 years? (a) ₹760 (b) ₹3040 (c) ₹12540 (d) ₹3800
5. 5.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹225 (b) ₹1725 (c) ₹270 (d) ₹45
6. 6.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
7. 7.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
8. 8.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹880 (b) ₹5320 (c) ₹4880 (d) ₹4440
9. 9.What is the simple interest on ₹6000 at 7% per year for 4 years? (a) ₹7680 (b) ₹1680 (c) ₹2100 (d) ₹420
10. 10.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹10600 (c) ₹12400 (d) ₹11800
11. 11.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
12. 12.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹90 (b) ₹4950 (c) ₹450 (d) ₹540
13. 13.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹1080 (b) ₹6900 (c) ₹900 (d) ₹180
14. 14.The simple interest on ₹9500 for 5 years is ₹3325. What is the rate per year? (a) 8% (b) 7% (c) 35% (d) 6%
15. 15.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%
16. 16.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
17. 17.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹200 (d) ₹2700
18. 18.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹6270 (b) ₹1155 (c) ₹385 (d) ₹770
19. 19.In how many years will ₹8500 earn ₹2550 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
20. 20.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹10300 (c) ₹600 (d) ₹10900
21. 21.₹9000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹9630 (c) ₹10890 (d) ₹1260
22. 22.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹90 (b) ₹180 (c) ₹3180 (d) ₹270
23. 23.What is the simple interest on ₹3500 at 8% per year for 3 years? (a) ₹4340 (b) ₹280 (c) ₹840 (d) ₹1120
24. 24.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1800 (b) ₹600 (c) ₹8700 (d) ₹1200
25. 25.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹975 (b) ₹780 (c) ₹7280 (d) ₹195
26. 26.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
27. 27.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
28. 28.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
29. 29.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
30. 30.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹1140 (b) ₹14060 (c) ₹5700 (d) ₹4560
31. 31.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
32. 32.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹960 (c) ₹9280 (d) ₹8320
33. 33.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1920 (b) ₹10400 (c) ₹9920 (d) ₹8480
34. 34.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
35. 35.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹1600 (b) ₹800 (c) ₹9600 (d) ₹2400
36. 36.What is the simple interest on ₹7500 at 12% per year for 2 years? (a) ₹2700 (b) ₹900 (c) ₹9300 (d) ₹1800
37. 37.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
38. 38.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1545 (b) ₹90 (c) ₹1590 (d) ₹1635
39. 39.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹1925 (b) ₹5040 (c) ₹385 (d) ₹1540
40. 40.₹2000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2200 (b) ₹2800 (c) ₹2600 (d) ₹600

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