Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 601 · 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.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹8850 (c) ₹900 (d) ₹8400
2. 2.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹1100 (c) ₹100 (d) ₹150
3. 3.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5100 (b) ₹5200 (c) ₹5300 (d) ₹200
4. 4.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹7840 (c) ₹11200 (d) ₹10360
5. 5.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹1800 (d) ₹6300
6. 6.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹5400 (c) ₹5220 (d) ₹4680
7. 7.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹4500 (c) ₹4800 (d) ₹3300
8. 8.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹2280 (b) ₹140 (c) ₹420 (d) ₹280
9. 9.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
10. 10.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹1600 (d) ₹720
11. 11.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7320 (b) ₹7980 (c) ₹6660 (d) ₹1320
12. 12.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹80 (d) ₹4320
13. 13.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3605 (b) ₹3920 (c) ₹315 (d) ₹3815
14. 14.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹4200 (b) ₹840 (c) ₹10360 (d) ₹3360
15. 15.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹160 (b) ₹8480 (c) ₹640 (d) ₹480
16. 16.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹1995 (b) ₹165 (c) ₹660 (d) ₹495
17. 17.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1710 (b) ₹11780 (c) ₹10070 (d) ₹11210
18. 18.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
19. 19.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
20. 20.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
21. 21.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8320 (b) ₹1820 (c) ₹8775 (d) ₹6955
22. 22.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹2975 (b) ₹595 (c) ₹10880 (d) ₹2380
23. 23.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
24. 24.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹4025 (c) ₹3675 (d) ₹350
25. 25.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹4980 (c) ₹4650 (d) ₹3330
26. 26.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹1860 (c) ₹1680 (d) ₹360
27. 27.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
28. 28.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1860 (b) ₹1590 (c) ₹270 (d) ₹1770
29. 29.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹4500 (b) ₹12600 (c) ₹3600 (d) ₹900
30. 30.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%
31. 31.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
32. 32.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹360 (b) ₹3360 (c) ₹540 (d) ₹180
33. 33.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
34. 34.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
35. 35.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹3990 (b) ₹3325 (c) ₹665 (d) ₹12825
36. 36.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹180 (d) ₹9540
37. 37.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
38. 38.₹4000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹4400 (c) ₹6000 (d) ₹5600
39. 39.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
40. 40.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹3120 (c) ₹3240 (d) ₹240

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