Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 918 · 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.₹8500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1530 (b) ₹10795 (c) ₹9265 (d) ₹10030
2. 2.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3270 (b) ₹4350 (c) ₹1350 (d) ₹4620
3. 3.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
4. 4.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6480 (b) ₹4995 (c) ₹5985 (d) ₹1485
5. 5.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
6. 6.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
7. 7.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
8. 8.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹2540 (b) ₹180 (c) ₹720 (d) ₹540
9. 9.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹780 (b) ₹260 (c) ₹520 (d) ₹7020
10. 10.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1530 (b) ₹150 (c) ₹1650 (d) ₹1680
11. 11.The simple interest on ₹3500 for 5 years is ₹350. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%
12. 12.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
13. 13.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
14. 14.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹300 (b) ₹1200 (c) ₹1500 (d) ₹7200
15. 15.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹3815 (b) ₹945 (c) ₹4760 (d) ₹4445
16. 16.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
17. 17.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹680 (b) ₹11900 (c) ₹4080 (d) ₹3400
18. 18.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹660 (b) ₹6160 (c) ₹880 (d) ₹220
19. 19.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 20% (b) 3% (c) 4% (d) 5%
20. 20.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹100 (d) ₹5400
21. 21.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
22. 22.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹600 (b) ₹750 (c) ₹150 (d) ₹2100
23. 23.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
24. 24.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹2200 (c) ₹2800 (d) ₹3000
25. 25.In how many years will ₹8500 earn ₹1360 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
26. 26.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹7210 (c) ₹630 (d) ₹7630
27. 27.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹1500 (c) ₹1400 (d) ₹400
28. 28.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
29. 29.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7210 (b) ₹420 (c) ₹7630 (d) ₹7420
30. 30.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹2200 (b) ₹200 (c) ₹100 (d) ₹300
31. 31.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
32. 32.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
33. 33.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
34. 34.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹800 (b) ₹200 (c) ₹1000 (d) ₹3300
35. 35.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹3360 (b) ₹560 (c) ₹2800 (d) ₹10800
36. 36.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹11200 (c) ₹14800 (d) ₹3600
37. 37.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2240 (b) ₹480 (c) ₹2480 (d) ₹2720
38. 38.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹6180 (c) ₹6360 (d) ₹360
39. 39.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
40. 40.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹100 (c) ₹1100 (d) ₹150

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