Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 126 · 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 ₹5500 for 2 years is ₹550. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
2. 2.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3300 (d) ₹3450
3. 3.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹8175 (b) ₹900 (c) ₹675 (d) ₹225
4. 4.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
5. 5.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
6. 6.The simple interest on ₹3500 for 4 years is ₹1540. What is the rate per year? (a) 11% (b) 10% (c) 44% (d) 12%
7. 7.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
8. 8.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹16000 (c) ₹14800 (d) ₹4800
9. 9.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹8400 (c) ₹7800 (d) ₹6600
10. 10.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
11. 11.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹2480 (d) ₹480
12. 12.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹700 (d) ₹4200
14. 14.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
15. 15.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 32%
16. 16.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹800 (d) ₹10800
17. 17.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹540 (b) ₹1950 (c) ₹90 (d) ₹450
18. 18.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6800 (b) ₹5600 (c) ₹1800 (d) ₹7400
19. 19.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹13500 (b) ₹700 (c) ₹4200 (d) ₹3500
20. 20.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
21. 21.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
22. 22.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4120 (b) ₹240 (c) ₹4360 (d) ₹4240
24. 24.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
25. 25.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹60 (b) ₹180 (c) ₹3120 (d) ₹120
26. 26.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
27. 27.In how many years will ₹6000 earn ₹1320 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
28. 28.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹3375 (b) ₹2700 (c) ₹675 (d) ₹10200
29. 29.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹855 (b) ₹12920 (c) ₹4275 (d) ₹3420
30. 30.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹945 (b) ₹5445 (c) ₹315 (d) ₹1260
31. 31.In how many years will ₹8500 earn ₹2040 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
32. 32.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 8% (b) 2% (c) 1% (d) 3%
33. 33.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 7% (b) 6% (c) 28% (d) 8%
34. 34.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 9% (b) 8% (c) 45% (d) 10%
35. 35.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹1620 (c) ₹1980 (d) ₹480
36. 36.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹250 (b) ₹5500 (c) ₹750 (d) ₹500
37. 37.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2650 (b) ₹3250 (c) ₹750 (d) ₹3400
38. 38.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹9750 (b) ₹3000 (c) ₹2250 (d) ₹750
39. 39.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
40. 40.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%

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