Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 559 · 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 ₹4000 at 8% per year for 4 years? (a) ₹5280 (b) ₹1600 (c) ₹1280 (d) ₹320
2. 2.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
3. 3.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹90 (c) ₹60 (d) ₹1560
4. 4.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹7280 (c) ₹780 (d) ₹390
5. 5.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹140 (c) ₹3570 (d) ₹3710
6. 6.What is the simple interest on ₹9500 at 7% per year for 3 years? (a) ₹2660 (b) ₹11495 (c) ₹665 (d) ₹1995
7. 7.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
8. 8.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹1800 (b) ₹450 (c) ₹6300 (d) ₹2250
9. 9.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹3720 (c) ₹3480 (d) ₹3240
10. 10.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹5700 (c) ₹6840 (d) ₹1140
11. 11.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹11400 (b) ₹1900 (c) ₹2375 (d) ₹475
12. 12.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
13. 13.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 24% (b) 7% (c) 5% (d) 6%
14. 14.The simple interest on ₹3500 for 5 years is ₹1925. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
15. 15.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹9375 (c) ₹7875 (d) ₹9000
16. 16.What is the simple interest on ₹7500 at 5% per year for 5 years? (a) ₹2250 (b) ₹375 (c) ₹1875 (d) ₹9375
17. 17.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹360 (b) ₹1440 (c) ₹1080 (d) ₹5580
18. 18.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹280 (b) ₹1400 (c) ₹4620 (d) ₹1120
19. 19.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹300 (b) ₹400 (c) ₹2300 (d) ₹100
20. 20.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹40 (b) ₹200 (c) ₹240 (d) ₹2200
21. 21.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
22. 22.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹400 (b) ₹1400 (c) ₹500 (d) ₹100
23. 23.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹1000 (c) ₹3500 (d) ₹3700
24. 24.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
25. 25.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹9000 (c) ₹3000 (d) ₹6600
26. 26.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
27. 27.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹11000 (c) ₹14000 (d) ₹15000
28. 28.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹2800 (b) ₹300 (c) ₹450 (d) ₹150
29. 29.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹14250 (b) ₹4750 (c) ₹5700 (d) ₹950
30. 30.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹405 (b) ₹1905 (c) ₹540 (d) ₹135
31. 31.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
32. 32.The simple interest on ₹4000 for 5 years is ₹2400. What is the rate per year? (a) 13% (b) 12% (c) 60% (d) 11%
33. 33.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
34. 34.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
35. 35.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1665 (b) ₹330 (c) ₹1830 (d) ₹1995
36. 36.In how many years will ₹8500 earn ₹4675 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
37. 37.In how many years will ₹2500 earn ₹750 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
38. 38.In how many years will ₹7000 earn ₹2520 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
39. 39.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹1485 (b) ₹990 (c) ₹5490 (d) ₹495
40. 40.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹8100 (c) ₹8520 (d) ₹6420

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