Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 827 · 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.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
2. 2.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6500 (b) ₹6000 (c) ₹5500 (d) ₹1000
3. 3.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹595 (b) ₹1785 (c) ₹2380 (d) ₹10285
4. 4.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
5. 5.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 21% (b) 7% (c) 6% (d) 8%
6. 6.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹200 (c) ₹2100 (d) ₹2300
7. 7.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹2640 (b) ₹880 (c) ₹1760 (d) ₹9760
8. 8.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2160 (b) ₹540 (c) ₹2700 (d) ₹6660
9. 9.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
10. 10.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹2500 (b) ₹2000 (c) ₹7000 (d) ₹500
11. 11.The simple interest on ₹9000 for 2 years is ₹1980. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
12. 12.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5550 (b) ₹8300 (c) ₹2750 (d) ₹7750
13. 13.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
14. 14.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3885 (b) ₹770 (c) ₹4270 (d) ₹4655
15. 15.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹6270 (b) ₹1045 (c) ₹14725 (d) ₹5225
16. 16.The simple interest on ₹4000 for 2 years is ₹400. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
17. 17.In how many years will ₹6500 earn ₹2925 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
18. 18.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 9%
19. 19.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹3200 (c) ₹700 (d) ₹875
20. 20.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹900 (b) ₹8400 (c) ₹1200 (d) ₹300
21. 21.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
22. 22.What is the simple interest on ₹9000 at 12% per year for 3 years? (a) ₹3240 (b) ₹12240 (c) ₹4320 (d) ₹1080
23. 23.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
24. 24.The simple interest on ₹4000 for 2 years is ₹960. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
25. 25.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹220 (b) ₹5940 (c) ₹660 (d) ₹440
26. 26.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
27. 27.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹3360 (c) ₹3060 (d) ₹300
28. 28.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3060 (b) ₹3240 (c) ₹180 (d) ₹3180
29. 29.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
30. 30.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3040 (b) ₹12540 (c) ₹10260 (d) ₹13300
31. 31.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹420 (b) ₹7280 (c) ₹280 (d) ₹140
32. 32.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1020 (b) ₹9520 (c) ₹510 (d) ₹1530
33. 33.The simple interest on ₹1500 for 5 years is ₹525. What is the rate per year? (a) 6% (b) 7% (c) 35% (d) 8%
34. 34.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹3640 (c) ₹4200 (d) ₹4060
35. 35.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
36. 36.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹1260 (b) ₹4445 (c) ₹945 (d) ₹315
37. 37.The simple interest on ₹4500 for 5 years is ₹675. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
38. 38.In how many years will ₹6500 earn ₹3120 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
39. 39.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
40. 40.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years

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