Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 206 · 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 ₹3000 at 7% per year for 4 years? (a) ₹840 (b) ₹1050 (c) ₹210 (d) ₹3840
2. 2.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
3. 3.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
4. 4.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹4160 (c) ₹4240 (d) ₹160
5. 5.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹6380 (c) ₹880 (d) ₹5720
6. 6.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
7. 7.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹1995 (b) ₹165 (c) ₹660 (d) ₹495
8. 8.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹1320 (c) ₹880 (d) ₹440
9. 9.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
10. 10.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹240 (b) ₹160 (c) ₹2160 (d) ₹80
11. 11.In how many years will ₹2500 earn ₹300 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
12. 12.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹4800 (c) ₹4440 (d) ₹3360
13. 13.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹135 (c) ₹90 (d) ₹45
14. 14.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹8400 (b) ₹900 (c) ₹300 (d) ₹1200
15. 15.₹7500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1575 (b) ₹9600 (c) ₹9075 (d) ₹8025
16. 16.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3150 (c) ₹600 (d) ₹3750
17. 17.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹1120 (b) ₹160 (c) ₹120 (d) ₹40
18. 18.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9180 (b) ₹10540 (c) ₹1360 (d) ₹9860
19. 19.What is the simple interest on ₹7000 at 6% per year for 4 years? (a) ₹420 (b) ₹2100 (c) ₹1680 (d) ₹8680
20. 20.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹3720 (b) ₹720 (c) ₹1080 (d) ₹360
21. 21.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹4240 (c) ₹1200 (d) ₹5440
22. 22.₹6500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7020 (b) ₹9620 (c) ₹2600 (d) ₹9100
23. 23.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹8560 (c) ₹11360 (d) ₹10800
24. 24.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2950 (b) ₹2575 (c) ₹375 (d) ₹2875
25. 25.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹9860 (c) ₹1020 (d) ₹9520
26. 26.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹1500 (d) ₹6250
27. 27.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹8060 (c) ₹6760 (d) ₹1300
28. 28.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
29. 29.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
30. 30.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹450 (b) ₹900 (c) ₹5400 (d) ₹1350
31. 31.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8025 (b) ₹1050 (c) ₹8550 (d) ₹9075
32. 32.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9750 (b) ₹1500 (c) ₹8250 (d) ₹9000
33. 33.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 3% (b) 9% (c) 4% (d) 2%
34. 34.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
35. 35.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹6160 (b) ₹880 (c) ₹220 (d) ₹660
36. 36.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
37. 37.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
38. 38.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2060 (b) ₹180 (c) ₹2240 (d) ₹2180
39. 39.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹2800 (b) ₹700 (c) ₹9100 (d) ₹2100
40. 40.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%

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