Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 537 · 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 ₹6000 at 11% per year for 5 years? (a) ₹660 (b) ₹3300 (c) ₹3960 (d) ₹9300
2. 2.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹6600 (d) ₹720
3. 3.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8700 (b) ₹8100 (c) ₹9300 (d) ₹1200
4. 4.What is the simple interest on ₹8000 at 4% per year for 5 years? (a) ₹9600 (b) ₹1600 (c) ₹1920 (d) ₹320
5. 5.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2700 (c) ₹2550 (d) ₹2750
6. 6.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹1300 (b) ₹100 (c) ₹300 (d) ₹400
7. 7.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 21%
8. 8.In how many years will ₹3000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
9. 9.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹1500 (b) ₹1200 (c) ₹300 (d) ₹3700
10. 10.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹1785 (b) ₹10285 (c) ₹2380 (d) ₹595
11. 11.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹9270 (c) ₹10350 (d) ₹1080
12. 12.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹8250 (c) ₹750 (d) ₹1125
13. 13.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹300 (c) ₹400 (d) ₹2800
14. 14.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7560 (b) ₹2240 (c) ₹9240 (d) ₹9800
15. 15.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7800 (c) ₹7650 (d) ₹300
16. 16.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹30 (b) ₹150 (c) ₹180 (d) ₹1150
17. 17.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹5625 (b) ₹225 (c) ₹1125 (d) ₹1350
18. 18.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
19. 19.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1215 (b) ₹6120 (c) ₹4905 (d) ₹5715
20. 20.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
21. 21.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
22. 22.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹1770 (b) ₹360 (c) ₹270 (d) ₹90
23. 23.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1330 (b) ₹330 (c) ₹1110 (d) ₹1440
24. 24.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹7315 (b) ₹605 (c) ₹1815 (d) ₹2420
25. 25.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
26. 26.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹270 (c) ₹1080 (d) ₹1350
27. 27.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1080 (c) ₹60 (d) ₹1020
28. 28.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 11% (b) 10% (c) 30% (d) 9%
29. 29.The simple interest on ₹7000 for 4 years is ₹560. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
30. 30.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
31. 31.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹280 (d) ₹2280
32. 32.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 40% (b) 8% (c) 9% (d) 7%
33. 33.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4635 (b) ₹675 (c) ₹5175 (d) ₹5310
34. 34.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹240 (b) ₹2720 (c) ₹720 (d) ₹960
35. 35.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹1090 (b) ₹30 (c) ₹120 (d) ₹90
36. 36.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
37. 37.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹1125 (b) ₹900 (c) ₹225 (d) ₹5400
38. 38.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
39. 39.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹8800 (b) ₹2640 (c) ₹6160 (d) ₹8140
40. 40.What is the simple interest on ₹7000 at 8% per year for 2 years? (a) ₹8120 (b) ₹1680 (c) ₹1120 (d) ₹560

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