Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 897 · 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.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
2. 2.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
3. 3.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹11000 (b) ₹1200 (c) ₹1000 (d) ₹200
4. 4.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹8125 (b) ₹325 (c) ₹1625 (d) ₹1950
5. 5.The simple interest on ₹5500 for 2 years is ₹990. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
6. 6.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹5000 at 7% per year for 3 years? (a) ₹1050 (b) ₹350 (c) ₹6050 (d) ₹1400
8. 8.The simple interest on ₹4000 for 5 years is ₹1000. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
9. 9.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9860 (b) ₹9180 (c) ₹10540 (d) ₹1360
10. 10.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
11. 11.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1150 (b) ₹1050 (c) ₹150 (d) ₹1200
12. 12.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹8140 (b) ₹2640 (c) ₹6160 (d) ₹8800
13. 13.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹495 (b) ₹5995 (c) ₹660 (d) ₹165
14. 14.₹7500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7650 (b) ₹8250 (c) ₹600 (d) ₹8100
15. 15.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 20% (b) 10% (c) 11% (d) 9%
16. 16.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
17. 17.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 4% (b) 25% (c) 6% (d) 5%
18. 18.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹12920 (b) ₹855 (c) ₹3420 (d) ₹4275
19. 19.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
20. 20.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹400 (b) ₹2900 (c) ₹500 (d) ₹100
21. 21.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5300 (b) ₹5200 (c) ₹200 (d) ₹5100
22. 22.In how many years will ₹7000 earn ₹1470 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
23. 23.The simple interest on ₹1000 for 4 years is ₹280. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
24. 24.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
25. 25.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5940 (b) ₹6820 (c) ₹880 (d) ₹6380
26. 26.₹4000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹5600 (c) ₹5280 (d) ₹1280
27. 27.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
28. 28.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹525 (b) ₹4025 (c) ₹3605 (d) ₹4130
29. 29.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4655 (b) ₹770 (c) ₹3885 (d) ₹4270
30. 30.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
31. 31.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6960 (b) ₹720 (c) ₹6720 (d) ₹6240
32. 32.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
33. 33.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹525 (b) ₹700 (c) ₹3025 (d) ₹175
34. 34.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1250 (b) ₹3750 (c) ₹2750 (d) ₹4000
35. 35.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹450 (b) ₹1350 (c) ₹9900 (d) ₹900
36. 36.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹420 (b) ₹4340 (c) ₹1260 (d) ₹840
37. 37.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹10150 (b) ₹3780 (c) ₹3150 (d) ₹630
38. 38.In how many years will ₹7500 earn ₹4500 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
39. 39.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1770 (c) ₹180 (d) ₹1680
40. 40.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹4280 (c) ₹5400 (d) ₹5120

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