Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 586 · 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.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 10% (b) 12% (c) 33% (d) 11%
2. 2.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
3. 3.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
4. 4.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹600 (d) ₹3100
5. 5.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹5000 (b) ₹200 (c) ₹1000 (d) ₹1200
6. 6.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
7. 7.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹7040 (b) ₹7425 (c) ₹5885 (d) ₹1540
8. 8.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 6% (b) 1% (c) 3% (d) 2%
9. 9.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹8120 (b) ₹8400 (c) ₹7280 (d) ₹1120
10. 10.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
11. 11.In how many years will ₹6500 earn ₹585 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
12. 12.In how many years will ₹8000 earn ₹3200 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
13. 13.₹6500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹7280 (c) ₹9620 (d) ₹2340
14. 14.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹780 (b) ₹2340 (c) ₹1560 (d) ₹8060
15. 15.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 10% (c) 50% (d) 9%
16. 16.What is the simple interest on ₹7500 at 12% per year for 5 years? (a) ₹4500 (b) ₹12000 (c) ₹900 (d) ₹5400
17. 17.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7150 (b) ₹9100 (c) ₹9750 (d) ₹2600
18. 18.In how many years will ₹2000 earn ₹400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
19. 19.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4770 (b) ₹5850 (c) ₹6120 (d) ₹1350
20. 20.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
21. 21.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4060 (b) ₹3640 (c) ₹560 (d) ₹4200
22. 22.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
23. 23.The simple interest on ₹5000 for 5 years is ₹1500. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
24. 24.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹120 (c) ₹1150 (d) ₹1030
25. 25.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹13680 (b) ₹1045 (c) ₹5225 (d) ₹4180
26. 26.In how many years will ₹2000 earn ₹280 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
27. 27.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹1400 (c) ₹1320 (d) ₹1080
28. 28.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
29. 29.₹5500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹7150 (b) ₹1650 (c) ₹6050 (d) ₹7700
30. 30.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3625 (b) ₹3850 (c) ₹2725 (d) ₹1125
31. 31.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹80 (b) ₹240 (c) ₹2160 (d) ₹160
32. 32.₹10000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹10700 (c) ₹12100 (d) ₹12800
33. 33.In how many years will ₹2000 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
34. 34.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11210 (b) ₹1710 (c) ₹10070 (d) ₹11780
35. 35.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
36. 36.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹4340 (c) ₹420 (d) ₹840
37. 37.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8640 (b) ₹8800 (c) ₹8160 (d) ₹640
38. 38.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10070 (b) ₹2850 (c) ₹12350 (d) ₹12920
39. 39.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
40. 40.₹8000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8960 (b) ₹4800 (c) ₹12800 (d) ₹13760

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad