Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 269 · 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 ₹1500 for 3 years is ₹135. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
2. 2.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
3. 3.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹90 (d) ₹1680
4. 4.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3900 (c) ₹4200 (d) ₹3300
5. 5.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1860 (b) ₹360 (c) ₹1680 (d) ₹2040
6. 6.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
7. 7.The simple interest on ₹3000 for 5 years is ₹450. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
8. 8.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
9. 9.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹640 (c) ₹1920 (d) ₹9280
10. 10.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
11. 11.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
12. 12.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹135 (b) ₹5040 (c) ₹540 (d) ₹675
13. 13.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹180 (b) ₹2900 (c) ₹1080 (d) ₹900
14. 14.In how many years will ₹4500 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
15. 15.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
16. 16.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
17. 17.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
18. 18.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹280 (b) ₹2280 (c) ₹420 (d) ₹140
19. 19.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹760 (b) ₹10260 (c) ₹380 (d) ₹1140
20. 20.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹7480 (b) ₹1320 (c) ₹6820 (d) ₹6160
21. 21.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
22. 22.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹90 (b) ₹1450 (c) ₹540 (d) ₹450
23. 23.₹7500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9075 (b) ₹8025 (c) ₹9600 (d) ₹1575
24. 24.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹40 (b) ₹120 (c) ₹1120 (d) ₹160
25. 25.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11200 (b) ₹13600 (c) ₹2400 (d) ₹12400
26. 26.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9425 (b) ₹2340 (c) ₹7085 (d) ₹8840
27. 27.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
28. 28.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹10880 (b) ₹3840 (c) ₹2880 (d) ₹960
29. 29.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 11% (b) 10% (c) 22% (d) 12%
30. 30.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹150 (b) ₹5300 (c) ₹450 (d) ₹300
31. 31.What is the simple interest on ₹9000 at 6% per year for 4 years? (a) ₹540 (b) ₹2700 (c) ₹11160 (d) ₹2160
32. 32.₹9000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12150 (b) ₹9630 (c) ₹2520 (d) ₹11520
33. 33.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹3240 (c) ₹120 (d) ₹360
34. 34.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
35. 35.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹3000 (b) ₹600 (c) ₹7400 (d) ₹2400
36. 36.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6880 (b) ₹2400 (c) ₹6400 (d) ₹4480
37. 37.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
38. 38.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
39. 39.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6300 (b) ₹6900 (c) ₹6600 (d) ₹600
40. 40.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year

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