Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 111 · 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.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹5995 (c) ₹330 (d) ₹5665
2. 2.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹180 (b) ₹900 (c) ₹9720 (d) ₹720
3. 3.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹2025 (c) ₹1920 (d) ₹1605
4. 4.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹2100 (b) ₹1750 (c) ₹350 (d) ₹6750
5. 5.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹11200 (b) ₹1600 (c) ₹400 (d) ₹1200
6. 6.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹770 (b) ₹8540 (c) ₹2310 (d) ₹1540
7. 7.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 9% (b) 2% (c) 4% (d) 3%
8. 8.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹400 (b) ₹2900 (c) ₹600 (d) ₹200
9. 9.The simple interest on ₹9500 for 4 years is ₹1520. What is the rate per year? (a) 5% (b) 16% (c) 4% (d) 3%
10. 10.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹50 (c) ₹100 (d) ₹1100
11. 11.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
12. 12.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10260 (b) ₹3800 (c) ₹14060 (d) ₹13300
13. 13.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
14. 14.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹5940 (b) ₹660 (c) ₹440 (d) ₹220
15. 15.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
16. 16.In how many years will ₹2000 earn ₹400 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
17. 17.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹1250 (b) ₹1500 (c) ₹3750 (d) ₹250
18. 18.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4720 (b) ₹4480 (c) ₹4240 (d) ₹480
19. 19.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2500 (b) ₹8000 (c) ₹5500 (d) ₹7500
20. 20.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
21. 21.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1240 (b) ₹1060 (c) ₹1300 (d) ₹240
22. 22.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹6180 (c) ₹360 (d) ₹6360
23. 23.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4900 (b) ₹1050 (c) ₹4550 (d) ₹3850
24. 24.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
25. 25.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
26. 26.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
27. 27.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
28. 28.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%
29. 29.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4960 (b) ₹5280 (c) ₹960 (d) ₹4320
30. 30.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
31. 31.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹2750 (b) ₹3300 (c) ₹8250 (d) ₹550
32. 32.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
33. 33.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹480 (b) ₹240 (c) ₹720 (d) ₹8480
34. 34.In how many years will ₹8000 earn ₹2400 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
35. 35.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
36. 36.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
37. 37.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5720 (b) ₹6600 (c) ₹880 (d) ₹6380
38. 38.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
39. 39.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹540 (b) ₹4905 (c) ₹405 (d) ₹135
40. 40.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3270 (b) ₹1080 (c) ₹4350 (d) ₹4080

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