Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 849 · 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 2% per year for 4 years? (a) ₹50 (b) ₹200 (c) ₹2700 (d) ₹250
2. 2.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
3. 3.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
4. 4.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2060 (b) ₹2240 (c) ₹180 (d) ₹2180
5. 5.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹275 (b) ₹1375 (c) ₹3600 (d) ₹1100
6. 6.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹1680 (c) ₹2220 (d) ₹720
7. 7.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
8. 8.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹4725 (b) ₹1470 (c) ₹245 (d) ₹1225
9. 9.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8320 (c) ₹320 (d) ₹8160
10. 10.In how many years will ₹4000 earn ₹720 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
11. 11.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3640 (b) ₹4200 (c) ₹4060 (d) ₹560
12. 12.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹10600 (c) ₹200 (d) ₹600
13. 13.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10500 (b) ₹1000 (c) ₹11000 (d) ₹11500
14. 14.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5700 (b) ₹5350 (c) ₹700 (d) ₹6050
15. 15.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7260 (b) ₹7700 (c) ₹1760 (d) ₹5940
16. 16.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1590 (b) ₹1620 (c) ₹90 (d) ₹1530
17. 17.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹5300 (b) ₹400 (c) ₹100 (d) ₹300
18. 18.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹320 (c) ₹2400 (d) ₹2320
19. 19.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹360 (d) ₹3270
20. 20.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2160 (c) ₹2040 (d) ₹2200
21. 21.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 45% (b) 9% (c) 10% (d) 8%
22. 22.In how many years will ₹4000 earn ₹1320 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
23. 23.The simple interest on ₹5500 for 4 years is ₹1320. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
24. 24.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1050 (b) ₹7350 (c) ₹8400 (d) ₹8050
25. 25.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹840 (b) ₹7840 (c) ₹1050 (d) ₹210
26. 26.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
27. 27.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1220 (b) ₹1330 (c) ₹1110 (d) ₹220
28. 28.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5665 (b) ₹6160 (c) ₹5995 (d) ₹495
29. 29.₹8500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹11220 (c) ₹11900 (d) ₹2720
30. 30.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹595 (b) ₹1785 (c) ₹1190 (d) ₹9690
31. 31.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹450 (b) ₹90 (c) ₹360 (d) ₹3360
32. 32.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹750 (b) ₹600 (c) ₹150 (d) ₹5600
33. 33.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10620 (b) ₹1620 (c) ₹9810 (d) ₹11430
34. 34.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹7700 (b) ₹2750 (c) ₹2200 (d) ₹550
35. 35.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
36. 36.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
37. 37.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 3% (b) 5% (c) 12% (d) 4%
38. 38.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹2550 (c) ₹250 (d) ₹2750
39. 39.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
40. 40.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹90 (b) ₹180 (c) ₹3180 (d) ₹270

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