Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 771 · 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 10% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹8250 (c) ₹6050 (d) ₹8800
2. 2.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹1800 (d) ₹450
3. 3.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
4. 4.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3090 (c) ₹180 (d) ₹3180
5. 5.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹1620 (b) ₹120 (c) ₹30 (d) ₹150
6. 6.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹1800 (b) ₹360 (c) ₹2160 (d) ₹4800
7. 7.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹1300 (c) ₹1060 (d) ₹1240
8. 8.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹2640 (b) ₹660 (c) ₹8640 (d) ₹3300
9. 9.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
10. 10.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
11. 11.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
12. 12.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹1400 (b) ₹80 (c) ₹480 (d) ₹400
13. 13.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹480 (b) ₹7440 (c) ₹1920 (d) ₹1440
14. 14.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
15. 15.₹6500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹6825 (b) ₹8450 (c) ₹8125 (d) ₹1625
16. 16.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹3125 (c) ₹625 (d) ₹2625
17. 17.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹5600 (b) ₹600 (c) ₹800 (d) ₹200
18. 18.₹8000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹10400 (c) ₹8480 (d) ₹10880
19. 19.The simple interest on ₹5500 for 4 years is ₹2640. What is the rate per year? (a) 13% (b) 48% (c) 11% (d) 12%
20. 20.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
21. 21.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
22. 22.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹1860 (d) ₹90
23. 23.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8640 (b) ₹11200 (c) ₹3200 (d) ₹11840
24. 24.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
25. 25.In how many years will ₹4000 earn ₹480 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
26. 26.What is the simple interest on ₹9500 at 10% per year for 3 years? (a) ₹3800 (b) ₹950 (c) ₹2850 (d) ₹12350
27. 27.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1980 (b) ₹11970 (c) ₹10980 (d) ₹9990
28. 28.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
29. 29.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
30. 30.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
31. 31.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
32. 32.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
33. 33.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 7% (b) 24% (c) 6% (d) 5%
34. 34.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
35. 35.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
36. 36.The simple interest on ₹5000 for 4 years is ₹600. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 2%
37. 37.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹315 (b) ₹1260 (c) ₹4760 (d) ₹1575
38. 38.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹450 (c) ₹5150 (d) ₹5450
39. 39.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
40. 40.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8240 (b) ₹9200 (c) ₹1200 (d) ₹9440

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