Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 697 · 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 ₹5000 at 9% per year for 5 years? (a) ₹450 (b) ₹7250 (c) ₹2250 (d) ₹2700
2. 2.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%
3. 3.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹1180 (b) ₹270 (c) ₹90 (d) ₹180
4. 4.What is the simple interest on ₹6500 at 7% per year for 2 years? (a) ₹455 (b) ₹910 (c) ₹1365 (d) ₹7410
5. 5.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
6. 6.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹2400 (b) ₹1600 (c) ₹11600 (d) ₹800
8. 8.What is the simple interest on ₹6000 at 6% per year for 3 years? (a) ₹360 (b) ₹1440 (c) ₹7080 (d) ₹1080
9. 9.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹4480 (c) ₹4240 (d) ₹4720
10. 10.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹4770 (c) ₹5040 (d) ₹5310
11. 11.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹650 (c) ₹975 (d) ₹325
12. 12.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹2340 (b) ₹780 (c) ₹8060 (d) ₹1560
13. 13.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
14. 14.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹9785 (c) ₹570 (d) ₹10070
15. 15.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
16. 16.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹11600 (c) ₹12000 (d) ₹1600
17. 17.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹4240 (d) ₹120
18. 18.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹4620 (b) ₹1400 (c) ₹1120 (d) ₹280
19. 19.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6960 (b) ₹960 (c) ₹7440 (d) ₹6480
20. 20.The simple interest on ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
21. 21.₹1500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹360 (b) ₹1950 (c) ₹1590 (d) ₹1860
22. 22.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 11% (b) 30% (c) 10% (d) 9%
23. 23.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹2480 (c) ₹2120 (d) ₹2360
24. 24.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹4120 (c) ₹4600 (d) ₹4480
25. 25.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹3920 (d) ₹630
26. 26.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
27. 27.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹3480 (c) ₹3360 (d) ₹3120
28. 28.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹320 (b) ₹480 (c) ₹160 (d) ₹4320
29. 29.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
30. 30.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹10440 (c) ₹9360 (d) ₹10800
31. 31.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹1800 (b) ₹2160 (c) ₹4800 (d) ₹360
32. 32.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹3300 (b) ₹800 (c) ₹1000 (d) ₹200
33. 33.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹2340 (b) ₹780 (c) ₹8840 (d) ₹3120
34. 34.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹280 (b) ₹1210 (c) ₹70 (d) ₹210
35. 35.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹540 (c) ₹3810 (d) ₹3540
36. 36.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
37. 37.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
38. 38.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹80 (d) ₹4320
39. 39.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹400 (b) ₹1200 (c) ₹6200 (d) ₹1600
40. 40.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years

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