Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 402 · 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 ₹5500 earn ₹550 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
2. 2.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
3. 3.₹7000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8680 (b) ₹1120 (c) ₹8120 (d) ₹7560
4. 4.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹1920 (c) ₹10560 (d) ₹9920
5. 5.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹80 (b) ₹2080 (c) ₹120 (d) ₹40
6. 6.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1190 (b) ₹595 (c) ₹9690 (d) ₹1785
7. 7.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2700 (b) ₹2900 (c) ₹3100 (d) ₹400
8. 8.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
9. 9.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
10. 10.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
11. 11.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6180 (b) ₹6360 (c) ₹360 (d) ₹6540
12. 12.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹5425 (c) ₹1925 (d) ₹385
13. 13.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
14. 14.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹7800 (d) ₹150
15. 15.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹50 (c) ₹200 (d) ₹2700
16. 16.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
17. 17.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
18. 18.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 8%
19. 19.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2340 (b) ₹7085 (c) ₹8840 (d) ₹9425
20. 20.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹6000 (c) ₹5200 (d) ₹5800
21. 21.What is the simple interest on ₹5000 at 9% per year for 2 years? (a) ₹1350 (b) ₹900 (c) ₹5900 (d) ₹450
22. 22.The simple interest on ₹5500 for 4 years is ₹2420. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
23. 23.In how many years will ₹2500 earn ₹750 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
24. 24.In how many years will ₹4500 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
25. 25.The simple interest on ₹3000 for 3 years is ₹900. What is the rate per year? (a) 10% (b) 9% (c) 30% (d) 11%
26. 26.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹600 (c) ₹3300 (d) ₹3100
27. 27.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹150 (c) ₹1050 (d) ₹1150
28. 28.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹810 (b) ₹270 (c) ₹9540 (d) ₹540
29. 29.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹4760 (c) ₹3710 (d) ₹4550
30. 30.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹4550 (b) ₹1260 (c) ₹1050 (d) ₹210
31. 31.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
32. 32.In how many years will ₹6000 earn ₹1680 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
33. 33.In how many years will ₹10000 earn ₹4500 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
34. 34.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹1665 (c) ₹660 (d) ₹2325
35. 35.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹8800 (c) ₹8250 (d) ₹6050
36. 36.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
37. 37.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
38. 38.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹3180 (c) ₹120 (d) ₹3120
39. 39.₹7000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9450 (b) ₹1960 (c) ₹7490 (d) ₹8960
40. 40.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10600 (b) ₹12400 (c) ₹2400 (d) ₹13000

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