Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 122 · 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.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹480 (c) ₹6480 (d) ₹6720
2. 2.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1080 (b) ₹1480 (c) ₹400 (d) ₹1400
3. 3.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹360 (d) ₹4770
4. 4.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
5. 5.The simple interest on ₹4500 for 5 years is ₹2475. What is the rate per year? (a) 55% (b) 11% (c) 10% (d) 12%
6. 6.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹1590 (c) ₹135 (d) ₹90
7. 7.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹660 (b) ₹2640 (c) ₹1980 (d) ₹7480
8. 8.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹10600 (c) ₹10200 (d) ₹600
9. 9.The simple interest on ₹5500 for 2 years is ₹880. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
10. 10.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 4% (b) 5% (c) 15% (d) 6%
11. 11.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
12. 12.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹1760 (c) ₹8880 (d) ₹9760
13. 13.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹9520 (b) ₹255 (c) ₹1275 (d) ₹1020
14. 14.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹9760 (b) ₹2640 (c) ₹1760 (d) ₹880
15. 15.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹800 (d) ₹4640
16. 16.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹1700 (b) ₹10200 (c) ₹2125 (d) ₹425
17. 17.The simple interest on ₹10000 for 3 years is ₹2400. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
18. 18.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
19. 19.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
20. 20.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
21. 21.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 8% (b) 40% (c) 9% (d) 7%
22. 22.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 12%
23. 23.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
24. 24.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹315 (b) ₹105 (c) ₹3710 (d) ₹210
25. 25.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
26. 26.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹5610 (b) ₹5940 (c) ₹440 (d) ₹6050
27. 27.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹11400 (b) ₹2280 (c) ₹1900 (d) ₹380
28. 28.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
29. 29.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹1220 (b) ₹330 (c) ₹110 (d) ₹220
30. 30.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹1200 (d) ₹7200
31. 31.In how many years will ₹1000 earn ₹280 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
33. 33.₹4000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4720 (b) ₹720 (c) ₹4960 (d) ₹4240
34. 34.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹9360 (b) ₹540 (c) ₹360 (d) ₹180
35. 35.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹2925 (b) ₹2340 (c) ₹585 (d) ₹8840
36. 36.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹420 (b) ₹6840 (c) ₹840 (d) ₹1260
37. 37.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7490 (b) ₹7980 (c) ₹980 (d) ₹8470
38. 38.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹6490 (b) ₹330 (c) ₹990 (d) ₹1320
39. 39.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹70 (c) ₹280 (d) ₹1280
40. 40.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9095 (b) ₹2380 (c) ₹11475 (d) ₹10880

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