Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 835 · 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 ₹6500 earn ₹1950 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
2. 2.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹165 (b) ₹1995 (c) ₹660 (d) ₹495
3. 3.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
4. 4.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹240 (d) ₹2180
5. 5.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹200 (b) ₹40 (c) ₹240 (d) ₹2200
6. 6.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
7. 7.The simple interest on ₹6500 for 4 years is ₹2340. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 36%
8. 8.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9300 (b) ₹8100 (c) ₹1200 (d) ₹8700
9. 9.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8160 (b) ₹2160 (c) ₹8880 (d) ₹6720
10. 10.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
11. 11.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹900 (c) ₹8700 (d) ₹7800
12. 12.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
13. 13.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹75 (b) ₹225 (c) ₹2725 (d) ₹300
14. 14.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11590 (b) ₹2090 (c) ₹12635 (d) ₹10545
15. 15.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1770 (b) ₹1725 (c) ₹225 (d) ₹1545
16. 16.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹450 (b) ₹150 (c) ₹600 (d) ₹7950
17. 17.₹9000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹13320 (b) ₹12600 (c) ₹3600 (d) ₹9720
18. 18.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹5220 (b) ₹720 (c) ₹360 (d) ₹1080
19. 19.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10285 (b) ₹9095 (c) ₹10880 (d) ₹1785
20. 20.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹1080 (c) ₹80 (d) ₹1120
21. 21.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹1740 (c) ₹1560 (d) ₹1800
22. 22.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1400 (b) ₹5680 (c) ₹5400 (d) ₹4280
23. 23.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1770 (b) ₹270 (c) ₹1590 (d) ₹1860
24. 24.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹600 (b) ₹450 (c) ₹3450 (d) ₹150
25. 25.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹990 (b) ₹6490 (c) ₹1320 (d) ₹330
26. 26.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7420 (b) ₹7560 (c) ₹7140 (d) ₹420
27. 27.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹240 (d) ₹4240
28. 28.In how many years will ₹7000 earn ₹3500 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
29. 29.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 2% (b) 6% (c) 1% (d) 3%
30. 30.In how many years will ₹6500 earn ₹1040 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
31. 31.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹5750 (b) ₹250 (c) ₹1000 (d) ₹750
32. 32.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
33. 33.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹700 (b) ₹3850 (c) ₹4550 (d) ₹4200
34. 34.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
35. 35.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹600 (b) ₹10200 (c) ₹10600 (d) ₹10800
36. 36.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹1950 (b) ₹650 (c) ₹1300 (d) ₹7800
37. 37.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹600 (c) ₹2100 (d) ₹120
38. 38.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹765 (b) ₹9010 (c) ₹255 (d) ₹510
39. 39.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹12000 (b) ₹11000 (c) ₹2000 (d) ₹13000
40. 40.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹9810 (c) ₹540 (d) ₹9270

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