Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 221 · 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.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
2. 2.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
3. 3.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3600 (b) ₹2775 (c) ₹825 (d) ₹3325
4. 4.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹360 (b) ₹90 (c) ₹450 (d) ₹4860
5. 5.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹7420 (b) ₹140 (c) ₹560 (d) ₹420
6. 6.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹5580 (c) ₹900 (d) ₹4680
7. 7.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹150 (b) ₹2800 (c) ₹450 (d) ₹300
8. 8.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹380 (b) ₹1900 (c) ₹11020 (d) ₹1520
9. 9.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
10. 10.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
11. 11.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹2900 (b) ₹600 (c) ₹200 (d) ₹400
12. 12.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 9% (b) 8% (c) 45% (d) 10%
13. 13.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
14. 14.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6695 (b) ₹390 (c) ₹7085 (d) ₹6890
15. 15.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
16. 16.₹9000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹12240 (b) ₹11160 (c) ₹10080 (d) ₹2160
17. 17.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
18. 18.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 13% (b) 12% (c) 36% (d) 11%
19. 19.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹120 (b) ₹360 (c) ₹6240 (d) ₹240
20. 20.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5150 (b) ₹5750 (c) ₹5600 (d) ₹600
21. 21.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹540 (b) ₹5580 (c) ₹1080 (d) ₹1620
22. 22.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
23. 23.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1680 (b) ₹280 (c) ₹1400 (d) ₹4900
24. 24.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹11000 (b) ₹10200 (c) ₹10800 (d) ₹800
25. 25.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
26. 26.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
27. 27.₹8000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹8560 (c) ₹10800 (d) ₹10240
28. 28.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹1350 (c) ₹9450 (d) ₹10350
29. 29.The simple interest on ₹3000 for 3 years is ₹900. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
30. 30.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹75 (b) ₹1725 (c) ₹225 (d) ₹300
31. 31.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹6600 (b) ₹9600 (c) ₹3000 (d) ₹9000
32. 32.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹1680 (c) ₹900 (d) ₹2580
33. 33.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3300 (c) ₹3900 (d) ₹4200
34. 34.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹90 (b) ₹120 (c) ₹1590 (d) ₹30
35. 35.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
36. 36.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1620 (b) ₹540 (c) ₹1080 (d) ₹10080
37. 37.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
38. 38.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹160 (b) ₹800 (c) ₹960 (d) ₹4800
39. 39.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
40. 40.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹540 (c) ₹405 (d) ₹135

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