Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 969 · 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 ₹7000 at 2% per year for 2 years? (a) ₹7280 (b) ₹140 (c) ₹420 (d) ₹280
2. 2.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹3100 (c) ₹2600 (d) ₹3000
3. 3.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2360 (b) ₹240 (c) ₹2120 (d) ₹2240
4. 4.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
5. 5.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
6. 6.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
7. 7.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
8. 8.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1750 (b) ₹3850 (c) ₹5250 (d) ₹5600
9. 9.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹8250 (b) ₹550 (c) ₹2750 (d) ₹3300
10. 10.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹11200 (b) ₹1600 (c) ₹1200 (d) ₹400
11. 11.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
12. 12.₹8500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2720 (b) ₹11220 (c) ₹9180 (d) ₹11900
13. 13.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
14. 14.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹4160 (c) ₹4240 (d) ₹160
15. 15.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹3825 (b) ₹3060 (c) ₹765 (d) ₹11560
16. 16.₹4500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6660 (b) ₹6120 (c) ₹5040 (d) ₹1620
17. 17.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹490 (b) ₹3990 (c) ₹245 (d) ₹735
18. 18.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
19. 19.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹9900 (b) ₹2400 (c) ₹600 (d) ₹3000
20. 20.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
21. 21.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
22. 22.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹2800 (b) ₹9100 (c) ₹700 (d) ₹2100
23. 23.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10640 (b) ₹10450 (c) ₹950 (d) ₹9690
24. 24.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹180 (c) ₹540 (d) ₹360
25. 25.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9095 (b) ₹2380 (c) ₹11475 (d) ₹10880
26. 26.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
27. 27.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹8160 (b) ₹2700 (c) ₹2160 (d) ₹540
28. 28.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
29. 29.In how many years will ₹1500 earn ₹405 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
30. 30.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5250 (b) ₹5500 (c) ₹500 (d) ₹5750
31. 31.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹11840 (c) ₹10880 (d) ₹8960
32. 32.The simple interest on ₹8500 for 3 years is ₹2550. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 30%
33. 33.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹90 (b) ₹450 (c) ₹3360 (d) ₹360
34. 34.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8300 (b) ₹5550 (c) ₹7750 (d) ₹2750
35. 35.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4160 (b) ₹4480 (c) ₹320 (d) ₹4320
36. 36.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹4060 (c) ₹560 (d) ₹3780
37. 37.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
38. 38.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
39. 39.₹10000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹17200 (b) ₹11200 (c) ₹16000 (d) ₹6000
40. 40.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%

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