Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 908 · 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 ₹8500 at 10% per year for 5 years? (a) ₹5100 (b) ₹4250 (c) ₹12750 (d) ₹850
2. 2.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
3. 3.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹450 (b) ₹90 (c) ₹360 (d) ₹1860
4. 4.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹1150 (b) ₹200 (c) ₹150 (d) ₹50
5. 5.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
6. 6.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹9000 (c) ₹1500 (d) ₹9300
7. 7.In how many years will ₹7500 earn ₹750 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
8. 8.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
9. 9.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
10. 10.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹13300 (b) ₹3800 (c) ₹10260 (d) ₹14060
11. 11.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3240 (b) ₹480 (c) ₹3480 (d) ₹3720
12. 12.₹9500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹14250 (b) ₹4750 (c) ₹15200 (d) ₹10450
13. 13.In how many years will ₹10000 earn ₹1600 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
14. 14.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
15. 15.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹1680 (c) ₹1560 (d) ₹120
16. 16.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 50% (b) 10% (c) 11% (d) 9%
17. 17.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
18. 18.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5830 (b) ₹6820 (c) ₹1320 (d) ₹7150
19. 19.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹4720 (b) ₹360 (c) ₹720 (d) ₹1080
20. 20.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
21. 21.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
22. 22.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹960 (c) ₹9280 (d) ₹8960
23. 23.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10070 (b) ₹9690 (c) ₹570 (d) ₹10260
24. 24.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹8260 (b) ₹420 (c) ₹1260 (d) ₹1680
25. 25.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
26. 26.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
27. 27.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
28. 28.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹650 (b) ₹780 (c) ₹130 (d) ₹7150
29. 29.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 3% (b) 4% (c) 8% (d) 5%
30. 30.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹675 (b) ₹3175 (c) ₹225 (d) ₹900
31. 31.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹2320 (b) ₹480 (c) ₹160 (d) ₹320
32. 32.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹2700 (b) ₹675 (c) ₹3375 (d) ₹10200
33. 33.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
34. 34.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹480 (c) ₹8480 (d) ₹8240
35. 35.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
36. 36.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
37. 37.The simple interest on ₹1000 for 5 years is ₹100. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
38. 38.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 16% (c) 7% (d) 9%
39. 39.What is the simple interest on ₹9500 at 7% per year for 3 years? (a) ₹665 (b) ₹2660 (c) ₹11495 (d) ₹1995
40. 40.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹5600 (b) ₹750 (c) ₹150 (d) ₹600

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