Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 302 · 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.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹1700 (b) ₹9860 (c) ₹1360 (d) ₹340
2. 2.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
3. 3.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1275 (b) ₹9775 (c) ₹10200 (d) ₹8925
4. 4.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
5. 5.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹7620 (b) ₹540 (c) ₹1620 (d) ₹2160
6. 6.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹3270 (c) ₹270 (d) ₹360
7. 7.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3640 (b) ₹3920 (c) ₹4060 (d) ₹420
8. 8.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3900 (b) ₹3180 (c) ₹720 (d) ₹3720
9. 9.The simple interest on ₹5000 for 2 years is ₹900. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
10. 10.What is the simple interest on ₹8500 at 10% per year for 4 years? (a) ₹11900 (b) ₹850 (c) ₹4250 (d) ₹3400
11. 11.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
12. 12.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
13. 13.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
14. 14.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1860 (b) ₹270 (c) ₹1770 (d) ₹1590
15. 15.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹240 (c) ₹6360 (d) ₹6120
16. 16.In how many years will ₹4500 earn ₹1080 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
17. 17.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
18. 18.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 25%
19. 19.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹7020 (b) ₹130 (c) ₹650 (d) ₹520
20. 20.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹6600 (c) ₹6050 (d) ₹7150
21. 21.₹10000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5500 (b) ₹16600 (c) ₹15500 (d) ₹11100
22. 22.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 27% (b) 10% (c) 8% (d) 9%
23. 23.What is the simple interest on ₹8000 at 8% per year for 4 years? (a) ₹3200 (b) ₹640 (c) ₹2560 (d) ₹10560
24. 24.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹550 (b) ₹6650 (c) ₹2200 (d) ₹1650
25. 25.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
26. 26.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
27. 27.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
28. 28.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹3900 (b) ₹180 (c) ₹900 (d) ₹1080
29. 29.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
30. 30.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4950 (b) ₹450 (c) ₹5040 (d) ₹4590
31. 31.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹1275 (c) ₹9775 (d) ₹1530
32. 32.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
33. 33.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1040 (b) ₹200 (c) ₹1240 (d) ₹1200
34. 34.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1300 (b) ₹7150 (c) ₹8450 (d) ₹7800
35. 35.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 1%
36. 36.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹1080 (b) ₹100 (c) ₹80 (d) ₹20
37. 37.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹275 (b) ₹550 (c) ₹3050 (d) ₹825
38. 38.What is the simple interest on ₹5500 at 10% per year for 2 years? (a) ₹1650 (b) ₹6600 (c) ₹550 (d) ₹1100
39. 39.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2600 (b) ₹7150 (c) ₹9750 (d) ₹9100
40. 40.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%

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