Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 349 · 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.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹5160 (c) ₹3360 (d) ₹4800
2. 2.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹2300 (c) ₹2240 (d) ₹2060
3. 3.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
4. 4.₹9500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2280 (b) ₹10260 (c) ₹12540 (d) ₹11780
5. 5.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
6. 6.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹440 (b) ₹5610 (c) ₹6050 (d) ₹5940
7. 7.₹9500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹16340 (b) ₹10640 (c) ₹5700 (d) ₹15200
8. 8.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
9. 9.What is the simple interest on ₹9000 at 6% per year for 3 years? (a) ₹1620 (b) ₹540 (c) ₹10620 (d) ₹2160
10. 10.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹4860 (c) ₹5220 (d) ₹720
11. 11.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹640 (b) ₹160 (c) ₹480 (d) ₹2480
12. 12.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
13. 13.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1530 (c) ₹1590 (d) ₹60
14. 14.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹1500 (b) ₹6250 (c) ₹250 (d) ₹1250
15. 15.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹2400 (b) ₹800 (c) ₹3200 (d) ₹10400
16. 16.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹105 (c) ₹420 (d) ₹1920
17. 17.What is the simple interest on ₹9000 at 11% per year for 5 years? (a) ₹13950 (b) ₹4950 (c) ₹5940 (d) ₹990
18. 18.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
19. 19.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹120 (c) ₹600 (d) ₹2100
20. 20.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹120 (c) ₹1180 (d) ₹1120
21. 21.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹420 (c) ₹1260 (d) ₹8260
22. 22.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹2175 (b) ₹810 (c) ₹135 (d) ₹675
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹4360 (c) ₹240 (d) ₹4120
24. 24.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹14060 (b) ₹4560 (c) ₹1140 (d) ₹5700
25. 25.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
26. 26.What is the simple interest on ₹6000 at 4% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹7200 (d) ₹240
27. 27.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11700 (b) ₹2700 (c) ₹9900 (d) ₹12600
28. 28.The simple interest on ₹2500 for 5 years is ₹1000. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 40%
29. 29.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7200 (b) ₹6650 (c) ₹1650 (d) ₹5550
30. 30.₹4000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4960 (b) ₹4240 (c) ₹4720 (d) ₹720
31. 31.The simple interest on ₹2000 for 5 years is ₹700. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
32. 32.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹280 (c) ₹3780 (d) ₹140
33. 33.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹400 (c) ₹80 (d) ₹1320
34. 34.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 32% (b) 8% (c) 9% (d) 7%
35. 35.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
36. 36.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹8100 (d) ₹600
37. 37.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹9000 (c) ₹9300 (d) ₹7800
38. 38.What is the simple interest on ₹6000 at 8% per year for 5 years? (a) ₹2880 (b) ₹8400 (c) ₹2400 (d) ₹480
39. 39.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹120 (b) ₹150 (c) ₹1620 (d) ₹30
40. 40.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹11880 (b) ₹3600 (c) ₹2880 (d) ₹720

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