Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 634 · 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 ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
2. 2.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
3. 3.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹2400 (c) ₹13200 (d) ₹12400
4. 4.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹2160 (b) ₹660 (c) ₹165 (d) ₹825
5. 5.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 9% (b) 2% (c) 3% (d) 4%
6. 6.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹50 (b) ₹300 (c) ₹2750 (d) ₹250
7. 7.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
8. 8.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3540 (b) ₹3090 (c) ₹3450 (d) ₹450
9. 9.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
10. 10.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
11. 11.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹595 (b) ₹2380 (c) ₹10880 (d) ₹2975
12. 12.The simple interest on ₹4500 for 3 years is ₹945. What is the rate per year? (a) 7% (b) 21% (c) 6% (d) 8%
13. 13.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
14. 14.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3120 (b) ₹3480 (c) ₹480 (d) ₹3600
15. 15.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹6660 (c) ₹7980 (d) ₹7320
16. 16.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹3900 (c) ₹4080 (d) ₹3180
17. 17.₹7500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1875 (b) ₹7875 (c) ₹9375 (d) ₹9750
18. 18.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
19. 19.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹750 (b) ₹3500 (c) ₹2750 (d) ₹3250
20. 20.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹2800 (d) ₹400
21. 21.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹825 (b) ₹275 (c) ₹3325 (d) ₹1100
22. 22.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹7800 (c) ₹7500 (d) ₹6300
23. 23.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
24. 24.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
25. 25.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹550 (b) ₹8250 (c) ₹2750 (d) ₹3300
26. 26.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹1275 (c) ₹9775 (d) ₹1530
27. 27.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
28. 28.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹5600 (b) ₹600 (c) ₹800 (d) ₹200
29. 29.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹14500 (b) ₹10900 (c) ₹13600 (d) ₹3600
30. 30.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹1050 (b) ₹210 (c) ₹4340 (d) ₹840
31. 31.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 5% (b) 10% (c) 4% (d) 6%
32. 32.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹2220 (b) ₹900 (c) ₹720 (d) ₹180
33. 33.In how many years will ₹4500 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
34. 34.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
35. 35.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹4120 (c) ₹4360 (d) ₹4240
36. 36.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
37. 37.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1150 (b) ₹1200 (c) ₹150 (d) ₹1050
38. 38.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5040 (b) ₹6660 (c) ₹2160 (d) ₹7200
39. 39.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9095 (b) ₹11475 (c) ₹12070 (d) ₹2975
40. 40.The simple interest on ₹3500 for 4 years is ₹1540. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 44%

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