Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 858 · 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 ₹1500 at 12% per year for 3 years? (a) ₹720 (b) ₹2040 (c) ₹540 (d) ₹180
2. 2.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
3. 3.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
4. 4.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
5. 5.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹4860 (b) ₹450 (c) ₹360 (d) ₹90
6. 6.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 36%
7. 7.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
8. 8.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹100 (b) ₹600 (c) ₹3000 (d) ₹500
9. 9.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹360 (b) ₹180 (c) ₹6360 (d) ₹540
10. 10.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹250 (b) ₹3750 (c) ₹1500 (d) ₹1250
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹10600 (c) ₹400 (d) ₹10400
12. 12.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹160 (b) ₹8640 (c) ₹800 (d) ₹640
13. 13.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
14. 14.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
15. 15.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1660 (b) ₹550 (c) ₹1110 (d) ₹1550
16. 16.In how many years will ₹6000 earn ₹720 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
17. 17.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
18. 18.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹1200 (b) ₹11200 (c) ₹1600 (d) ₹400
19. 19.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
20. 20.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 11% (b) 9% (c) 20% (d) 10%
21. 21.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
22. 22.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7260 (b) ₹6420 (c) ₹6840 (d) ₹840
23. 23.The simple interest on ₹3000 for 4 years is ₹1440. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 48%
24. 24.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹10600 (c) ₹200 (d) ₹600
25. 25.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
26. 26.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹450 (d) ₹2800
27. 27.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹2360 (b) ₹540 (c) ₹360 (d) ₹180
28. 28.In how many years will ₹2000 earn ₹400 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
29. 29.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹300 (c) ₹3060 (d) ₹3360
30. 30.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹480 (b) ₹720 (c) ₹240 (d) ₹2480
31. 31.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹7560 (d) ₹140
32. 32.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
33. 33.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
34. 34.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹5830 (d) ₹330
35. 35.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹4130 (c) ₹4340 (d) ₹3710
36. 36.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹50 (b) ₹250 (c) ₹2750 (d) ₹300
37. 37.In how many years will ₹2000 earn ₹360 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
38. 38.₹1500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹525 (b) ₹1605 (c) ₹2130 (d) ₹2025
39. 39.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
40. 40.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%

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