Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 675 · 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.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
2. 2.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
3. 3.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹3100 (c) ₹2900 (d) ₹2700
4. 4.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
5. 5.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
6. 6.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 3% (b) 12% (c) 2% (d) 4%
7. 7.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
8. 8.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
9. 9.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4340 (b) ₹3710 (c) ₹630 (d) ₹4130
10. 10.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹7630 (b) ₹210 (c) ₹840 (d) ₹630
11. 11.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹300 (b) ₹250 (c) ₹50 (d) ₹2750
12. 12.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
13. 13.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 6% (b) 7% (c) 35% (d) 8%
14. 14.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹6200 (d) ₹1800
15. 15.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹11210 (b) ₹1710 (c) ₹2565 (d) ₹855
16. 16.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
17. 17.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹1550 (c) ₹1660 (d) ₹1110
18. 18.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
19. 19.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
20. 20.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹1725 (b) ₹300 (c) ₹225 (d) ₹75
21. 21.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
22. 22.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹600 (c) ₹100 (d) ₹3000
23. 23.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹6325 (c) ₹550 (d) ₹5775
24. 24.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9435 (b) ₹10370 (c) ₹1870 (d) ₹11305
25. 25.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹150 (b) ₹225 (c) ₹1650 (d) ₹75
26. 26.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3000 (b) ₹500 (c) ₹2750 (d) ₹3250
27. 27.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
28. 28.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
29. 29.What is the simple interest on ₹9500 at 6% per year for 5 years? (a) ₹2850 (b) ₹570 (c) ₹12350 (d) ₹3420
30. 30.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
31. 31.The simple interest on ₹4500 for 3 years is ₹540. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
32. 32.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
33. 33.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹4760 (b) ₹1260 (c) ₹1680 (d) ₹420
34. 34.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
35. 35.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹330 (b) ₹660 (c) ₹3660 (d) ₹990
36. 36.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹11560 (b) ₹765 (c) ₹3825 (d) ₹3060
37. 37.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 40%
38. 38.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹400 (b) ₹4400 (c) ₹80 (d) ₹480
39. 39.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 5% (b) 10% (c) 6% (d) 4%
40. 40.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹3500 (b) ₹1200 (c) ₹1000 (d) ₹200

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