Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 407 · 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 ₹7500 earn ₹1500 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
2. 2.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
3. 3.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹700 (b) ₹525 (c) ₹175 (d) ₹3025
4. 4.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹9310 (b) ₹770 (c) ₹2310 (d) ₹3080
5. 5.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
6. 6.In how many years will ₹1500 earn ₹600 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
7. 7.The simple interest on ₹4000 for 3 years is ₹840. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
8. 8.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
9. 9.The simple interest on ₹10000 for 3 years is ₹2400. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
10. 10.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
11. 11.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
12. 12.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹300 (b) ₹5300 (c) ₹150 (d) ₹450
13. 13.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹8260 (b) ₹840 (c) ₹7840 (d) ₹7420
14. 14.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
15. 15.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
16. 16.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
17. 17.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5040 (b) ₹4950 (c) ₹4590 (d) ₹450
18. 18.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹2295 (b) ₹3060 (c) ₹765 (d) ₹10795
19. 19.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
20. 20.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6750 (b) ₹5350 (c) ₹6400 (d) ₹1400
21. 21.₹8500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11050 (b) ₹8925 (c) ₹10625 (d) ₹2125
22. 22.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
23. 23.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹3210 (c) ₹3840 (d) ₹3630
24. 24.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹2025 (b) ₹105 (c) ₹630 (d) ₹525
25. 25.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹160 (b) ₹800 (c) ₹2640 (d) ₹640
26. 26.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
27. 27.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹6985 (b) ₹1980 (c) ₹495 (d) ₹1485
28. 28.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 30%
29. 29.In how many years will ₹9000 earn ₹4950 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
30. 30.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹2300 (b) ₹60 (c) ₹300 (d) ₹360
31. 31.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
32. 32.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹800 (b) ₹3200 (c) ₹4000 (d) ₹11200
33. 33.₹8500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9010 (b) ₹8670 (c) ₹510 (d) ₹9180
34. 34.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
35. 35.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹1200 (c) ₹1160 (d) ₹1040
36. 36.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
37. 37.The simple interest on ₹8000 for 4 years is ₹640. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
38. 38.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹510 (b) ₹9010 (c) ₹680 (d) ₹170
39. 39.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹60 (b) ₹2240 (c) ₹240 (d) ₹300
40. 40.₹2500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹700 (b) ₹3375 (c) ₹3200 (d) ₹2675

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