Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 369 · 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 11% per year for 4 years? (a) ₹1100 (b) ₹3600 (c) ₹275 (d) ₹1375
2. 2.In how many years will ₹5000 earn ₹200 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
3. 3.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
4. 4.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹7500 (c) ₹6300 (d) ₹1200
5. 5.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
6. 6.₹5000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6000 (b) ₹6250 (c) ₹5250 (d) ₹1000
7. 7.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹4800 (b) ₹3840 (c) ₹960 (d) ₹11840
8. 8.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
9. 9.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
10. 10.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
11. 11.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹7800 (c) ₹8400 (d) ₹600
12. 12.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹5580 (c) ₹5310 (d) ₹4770
13. 13.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹6900 (b) ₹180 (c) ₹1080 (d) ₹900
14. 14.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹350 (b) ₹1400 (c) ₹8050 (d) ₹1050
15. 15.What is the simple interest on ₹4000 at 6% per year for 5 years? (a) ₹5200 (b) ₹1200 (c) ₹1440 (d) ₹240
16. 16.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 30% (b) 10% (c) 11% (d) 9%
17. 17.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹7420 (b) ₹560 (c) ₹420 (d) ₹140
18. 18.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
19. 19.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
20. 20.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
21. 21.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
22. 22.In how many years will ₹4500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
23. 23.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
24. 24.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹1080 (c) ₹6120 (d) ₹5580
25. 25.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
26. 26.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
27. 27.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹3640 (c) ₹4060 (d) ₹560
28. 28.In how many years will ₹3500 earn ₹2100 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
29. 29.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
30. 30.In how many years will ₹8000 earn ₹4400 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
31. 31.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹80 (b) ₹320 (c) ₹400 (d) ₹2320
32. 32.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹13000 (b) ₹2000 (c) ₹11000 (d) ₹12000
33. 33.The simple interest on ₹8000 for 3 years is ₹1680. What is the rate per year? (a) 21% (b) 7% (c) 8% (d) 6%
34. 34.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹1050 (b) ₹3840 (c) ₹210 (d) ₹840
35. 35.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹780 (c) ₹390 (d) ₹7280
36. 36.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1020 (b) ₹340 (c) ₹9520 (d) ₹1360
37. 37.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
38. 38.What is the simple interest on ₹8000 at 6% per year for 5 years? (a) ₹2880 (b) ₹480 (c) ₹10400 (d) ₹2400
39. 39.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹3710 (c) ₹280 (d) ₹210
40. 40.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹11200 (c) ₹16000 (d) ₹14800

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