Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 499 · 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.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2725 (c) ₹150 (d) ₹2575
2. 2.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
3. 3.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
4. 4.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
5. 5.The simple interest on ₹4500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
6. 6.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
7. 7.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹11160 (b) ₹3240 (c) ₹1080 (d) ₹2160
8. 8.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 13% (b) 36% (c) 12% (d) 11%
9. 9.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
10. 10.The simple interest on ₹3000 for 4 years is ₹1320. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
11. 11.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
12. 12.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
13. 13.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹3180 (b) ₹270 (c) ₹180 (d) ₹90
14. 14.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5100 (b) ₹5200 (c) ₹5300 (d) ₹200
15. 15.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹2900 (b) ₹900 (c) ₹180 (d) ₹1080
16. 16.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
17. 17.In how many years will ₹10000 earn ₹2400 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
18. 18.₹10000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10700 (b) ₹2100 (c) ₹12800 (d) ₹12100
19. 19.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
20. 20.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹8800 (d) ₹800
21. 21.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹360 (b) ₹300 (c) ₹60 (d) ₹3300
22. 22.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹1980 (b) ₹330 (c) ₹1650 (d) ₹4650
23. 23.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹4620 (c) ₹1120 (d) ₹4900
24. 24.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹960 (b) ₹160 (c) ₹800 (d) ₹2800
25. 25.In how many years will ₹9000 earn ₹3240 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
26. 26.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹720 (b) ₹180 (c) ₹2720 (d) ₹900
27. 27.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹5300 (c) ₹5400 (d) ₹5100
28. 28.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
29. 29.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹9800 (c) ₹2800 (d) ₹10500
30. 30.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹700 (b) ₹2100 (c) ₹2800 (d) ₹9100
31. 31.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
32. 32.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹1160 (c) ₹120 (d) ₹1040
33. 33.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1440 (b) ₹240 (c) ₹1200 (d) ₹3200
34. 34.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
35. 35.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 3%
36. 36.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3700 (b) ₹2800 (c) ₹900 (d) ₹3400
37. 37.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5440 (b) ₹4960 (c) ₹4480 (d) ₹960
38. 38.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11160 (b) ₹10800 (c) ₹1800 (d) ₹9360
39. 39.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
40. 40.The simple interest on ₹10000 for 4 years is ₹800. What is the rate per year? (a) 8% (b) 2% (c) 1% (d) 3%

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