Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 686 · 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 ₹2000 at 7% per year for 4 years? (a) ₹2560 (b) ₹560 (c) ₹700 (d) ₹140
2. 2.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹170 (b) ₹9180 (c) ₹850 (d) ₹680
3. 3.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
4. 4.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹9200 (c) ₹8960 (d) ₹8240
5. 5.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹1080 (b) ₹120 (c) ₹40 (d) ₹80
6. 6.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹270 (b) ₹3540 (c) ₹810 (d) ₹540
7. 7.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹720 (c) ₹240 (d) ₹960
8. 8.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹2025 (b) ₹8850 (c) ₹675 (d) ₹1350
9. 9.What is the simple interest on ₹5500 at 11% per year for 4 years? (a) ₹2420 (b) ₹3025 (c) ₹7920 (d) ₹605
10. 10.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1710 (b) ₹1140 (c) ₹570 (d) ₹10640
11. 11.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3000 (b) ₹11000 (c) ₹13000 (d) ₹14000
12. 12.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
13. 13.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
14. 14.What is the simple interest on ₹6500 at 12% per year for 4 years? (a) ₹3120 (b) ₹3900 (c) ₹9620 (d) ₹780
15. 15.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 9%
16. 16.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹90 (b) ₹1360 (c) ₹450 (d) ₹360
17. 17.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹100 (b) ₹3000 (c) ₹500 (d) ₹600
18. 18.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹190 (b) ₹1140 (c) ₹10450 (d) ₹950
19. 19.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹10640 (c) ₹760 (d) ₹9880
20. 20.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹2040 (b) ₹510 (c) ₹10540 (d) ₹2550
21. 21.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹13600 (b) ₹12400 (c) ₹11200 (d) ₹2400
22. 22.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹400 (b) ₹200 (c) ₹600 (d) ₹2400
23. 23.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
24. 24.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹11160 (c) ₹11880 (d) ₹9720
25. 25.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹150 (b) ₹450 (c) ₹3300 (d) ₹300
26. 26.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
27. 27.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
28. 28.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹1260 (b) ₹6840 (c) ₹420 (d) ₹840
29. 29.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4150 (b) ₹2775 (c) ₹3875 (d) ₹1375
30. 30.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3450 (b) ₹3150 (c) ₹450 (d) ₹3600
31. 31.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹10360 (b) ₹840 (c) ₹4200 (d) ₹3360
32. 32.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
33. 33.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 13% (b) 60% (c) 12% (d) 11%
34. 34.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹6180 (c) ₹6900 (d) ₹6720
35. 35.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹1000 (b) ₹200 (c) ₹1200 (d) ₹6000
36. 36.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
37. 37.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹2520 (b) ₹8100 (c) ₹2100 (d) ₹420
38. 38.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
39. 39.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹1350 (b) ₹1800 (c) ₹5850 (d) ₹450
40. 40.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%

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