Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 506 · 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 ₹2500 at 12% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹300 (d) ₹4000
2. 2.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
3. 3.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹1440 (b) ₹960 (c) ₹480 (d) ₹8960
4. 4.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹3270 (c) ₹3540 (d) ₹3810
5. 5.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹6160 (c) ₹9460 (d) ₹3300
6. 6.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹320 (b) ₹2320 (c) ₹2480 (d) ₹2160
7. 7.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 11% (b) 20% (c) 10% (d) 9%
8. 8.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
9. 9.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹3885 (c) ₹1540 (d) ₹5040
10. 10.₹9000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9180 (b) ₹9900 (c) ₹10080 (d) ₹900
11. 11.What is the simple interest on ₹6000 at 6% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹7440 (d) ₹1440
12. 12.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
13. 13.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
14. 14.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
16. 16.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
17. 17.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹9920 (b) ₹1920 (c) ₹480 (d) ₹2400
18. 18.In how many years will ₹8500 earn ₹2040 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
19. 19.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
20. 20.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
21. 21.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 2% (b) 10% (c) 1% (d) 3%
22. 22.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹210 (b) ₹280 (c) ₹70 (d) ₹1210
23. 23.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹3250 (b) ₹750 (c) ₹150 (d) ₹900
24. 24.In how many years will ₹8000 earn ₹1600 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
25. 25.₹8000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹11520 (c) ₹2640 (d) ₹8880
26. 26.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
27. 27.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
28. 28.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹200 (b) ₹2800 (c) ₹800 (d) ₹1000
29. 29.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1070 (b) ₹1140 (c) ₹140 (d) ₹1210
30. 30.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹1650 (c) ₹30 (d) ₹150
31. 31.₹7500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹750 (c) ₹8250 (d) ₹7650
32. 32.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹9750 (b) ₹3000 (c) ₹2250 (d) ₹750
33. 33.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹90 (b) ₹450 (c) ₹360 (d) ₹3360
34. 34.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1300 (b) ₹250 (c) ₹1250 (d) ₹1050
35. 35.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹360 (c) ₹3360 (d) ₹3180
36. 36.In how many years will ₹5500 earn ₹1540 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
37. 37.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹5940 (b) ₹220 (c) ₹660 (d) ₹440
38. 38.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹9425 (b) ₹585 (c) ₹2925 (d) ₹3510
39. 39.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
40. 40.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹1680 (b) ₹8680 (c) ₹560 (d) ₹2240

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