Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 547 · 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 ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹50 (c) ₹1100 (d) ₹100
2. 2.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
3. 3.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
4. 4.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹20 (b) ₹1100 (c) ₹100 (d) ₹120
5. 5.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹650 (b) ₹3900 (c) ₹3250 (d) ₹9750
6. 6.What is the simple interest on ₹8000 at 11% per year for 4 years? (a) ₹880 (b) ₹4400 (c) ₹3520 (d) ₹11520
7. 7.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹225 (c) ₹2650 (d) ₹150
8. 8.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹9280 (c) ₹960 (d) ₹8320
9. 9.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
10. 10.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
11. 11.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
12. 12.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
13. 13.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹720 (b) ₹3540 (c) ₹540 (d) ₹180
14. 14.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
15. 15.What is the simple interest on ₹10000 at 6% per year for 5 years? (a) ₹3000 (b) ₹3600 (c) ₹13000 (d) ₹600
16. 16.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
17. 17.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8960 (b) ₹960 (c) ₹8240 (d) ₹9200
18. 18.What is the simple interest on ₹5500 at 9% per year for 4 years? (a) ₹7480 (b) ₹2475 (c) ₹1980 (d) ₹495
19. 19.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹3180 (c) ₹3720 (d) ₹3540
20. 20.In how many years will ₹4500 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
21. 21.₹4500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5625 (b) ₹900 (c) ₹4725 (d) ₹5400
22. 22.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 8% (b) 7% (c) 35% (d) 6%
23. 23.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹11220 (b) ₹3400 (c) ₹2720 (d) ₹680
24. 24.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3850 (b) ₹3780 (c) ₹280 (d) ₹3570
25. 25.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
26. 26.The simple interest on ₹6500 for 3 years is ₹780. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 5%
27. 27.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
28. 28.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%
29. 29.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
30. 30.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹5850 (b) ₹270 (c) ₹1620 (d) ₹1350
31. 31.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9900 (b) ₹12600 (c) ₹2700 (d) ₹11700
32. 32.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
33. 33.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
34. 34.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
35. 35.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹6840 (c) ₹6420 (d) ₹7260
36. 36.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2310 (b) ₹10080 (c) ₹7770 (d) ₹9310
37. 37.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7260 (b) ₹5940 (c) ₹1760 (d) ₹7700
38. 38.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1560 (c) ₹1530 (d) ₹1590
39. 39.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹480 (b) ₹6480 (c) ₹720 (d) ₹240
40. 40.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 24%

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