Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 89 · 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 ₹1500 at 6% per year for 4 years? (a) ₹1860 (b) ₹360 (c) ₹450 (d) ₹90
2. 2.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹3175 (c) ₹3400 (d) ₹675
3. 3.What is the simple interest on ₹6000 at 4% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹7200 (d) ₹240
4. 4.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹340 (c) ₹1360 (d) ₹1020
5. 5.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹14060 (b) ₹4560 (c) ₹1140 (d) ₹5700
6. 6.In how many years will ₹8500 earn ₹850 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
7. 7.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
8. 8.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
9. 9.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹3250 (b) ₹750 (c) ₹900 (d) ₹150
10. 10.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹4680 (d) ₹90
11. 11.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%
12. 12.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5320 (b) ₹880 (c) ₹4880 (d) ₹4440
13. 13.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 4% (b) 3% (c) 20% (d) 5%
14. 14.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹2240 (b) ₹360 (c) ₹240 (d) ₹120
15. 15.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹3040 (c) ₹12540 (d) ₹13300
16. 16.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹3270 (d) ₹360
17. 17.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8240 (c) ₹480 (d) ₹8720
18. 18.In how many years will ₹1500 earn ₹360 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
19. 19.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%
20. 20.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹900 (b) ₹1080 (c) ₹2900 (d) ₹180
21. 21.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹1575 (b) ₹6075 (c) ₹315 (d) ₹1890
22. 22.In how many years will ₹8500 earn ₹510 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
23. 23.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11050 (b) ₹2040 (c) ₹10540 (d) ₹9010
24. 24.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹12160 (b) ₹3325 (c) ₹2660 (d) ₹665
25. 25.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4150 (b) ₹2775 (c) ₹1375 (d) ₹3875
26. 26.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
27. 27.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹900 (c) ₹3180 (d) ₹3900
28. 28.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9230 (b) ₹6955 (c) ₹2275 (d) ₹8775
29. 29.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 4%
30. 30.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
31. 31.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹300 (c) ₹200 (d) ₹100
32. 32.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10070 (b) ₹10260 (c) ₹570 (d) ₹9690
33. 33.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
34. 34.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
35. 35.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹480 (b) ₹8480 (c) ₹240 (d) ₹720
36. 36.The simple interest on ₹3000 for 3 years is ₹540. What is the rate per year? (a) 6% (b) 5% (c) 18% (d) 7%
37. 37.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
38. 38.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10800 (b) ₹11360 (c) ₹8560 (d) ₹2800
39. 39.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
40. 40.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2540 (b) ₹2180 (c) ₹2720 (d) ₹540

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