Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 169 · 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 ₹10000 at 3% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹11200 (d) ₹300
2. 2.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹680 (b) ₹850 (c) ₹9180 (d) ₹170
3. 3.₹9000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹13950 (b) ₹4950 (c) ₹14940 (d) ₹9990
4. 4.In how many years will ₹8500 earn ₹680 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
5. 5.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
6. 6.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹4590 (b) ₹3825 (c) ₹12325 (d) ₹765
7. 7.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹2975 (b) ₹10880 (c) ₹595 (d) ₹2380
8. 8.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹440 (b) ₹1760 (c) ₹7260 (d) ₹2200
9. 9.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹1620 (b) ₹7620 (c) ₹2160 (d) ₹540
10. 10.In how many years will ₹10000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
11. 11.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
12. 12.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹1100 (b) ₹220 (c) ₹1320 (d) ₹3100
13. 13.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
14. 14.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
15. 15.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹3325 (b) ₹12160 (c) ₹2660 (d) ₹665
16. 16.₹5000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹5400 (c) ₹7000 (d) ₹1600
17. 17.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1330 (b) ₹1110 (c) ₹1220 (d) ₹220
18. 18.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
19. 19.What is the simple interest on ₹7000 at 6% per year for 4 years? (a) ₹2100 (b) ₹8680 (c) ₹420 (d) ₹1680
20. 20.In how many years will ₹4000 earn ₹1000 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
21. 21.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹4500 (b) ₹750 (c) ₹11250 (d) ₹3750
22. 22.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹360 (c) ₹4480 (d) ₹4120
24. 24.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 15%
25. 25.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹250 (b) ₹750 (c) ₹1000 (d) ₹3250
26. 26.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹245 (b) ₹4725 (c) ₹1470 (d) ₹1225
27. 27.The simple interest on ₹5000 for 3 years is ₹1200. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 24%
28. 28.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11600 (b) ₹12400 (c) ₹10800 (d) ₹1600
29. 29.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8175 (b) ₹7950 (c) ₹7725 (d) ₹450
30. 30.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
31. 31.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
32. 32.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹2800 (c) ₹2200 (d) ₹3000
33. 33.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹5580 (b) ₹360 (c) ₹1080 (d) ₹1440
34. 34.In how many years will ₹9000 earn ₹3240 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
35. 35.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
36. 36.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹1260 (b) ₹840 (c) ₹420 (d) ₹6840
37. 37.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 7% (b) 14% (c) 8% (d) 6%
38. 38.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹80 (c) ₹1120 (d) ₹1080
39. 39.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹540 (b) ₹720 (c) ₹9540 (d) ₹180
40. 40.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹9680 (b) ₹2240 (c) ₹1680 (d) ₹560

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