Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 944 · 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 5% per year simple interest. What is the amount after 2 years? (a) ₹2875 (b) ₹250 (c) ₹2750 (d) ₹2625
2. 2.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5720 (b) ₹6160 (c) ₹440 (d) ₹5940
3. 3.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
4. 4.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
5. 5.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹5715 (b) ₹1215 (c) ₹6120 (d) ₹4905
6. 6.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹3920 (d) ₹420
7. 7.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 50% (b) 10% (c) 11% (d) 9%
8. 8.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹90 (b) ₹4860 (c) ₹450 (d) ₹360
9. 9.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹135 (c) ₹90 (d) ₹1590
10. 10.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10160 (b) ₹8720 (c) ₹1440 (d) ₹9440
11. 11.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
12. 12.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹4250 (b) ₹850 (c) ₹12750 (d) ₹5100
13. 13.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹3660 (c) ₹3990 (d) ₹3330
14. 14.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 30% (c) 11% (d) 10%
15. 15.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
16. 16.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹1980 (b) ₹7320 (c) ₹660 (d) ₹1320
17. 17.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
18. 18.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
19. 19.In how many years will ₹1000 earn ₹240 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
20. 20.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
21. 21.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹40 (c) ₹200 (d) ₹240
22. 22.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
23. 23.What is the simple interest on ₹4500 at 12% per year for 3 years? (a) ₹540 (b) ₹1620 (c) ₹6120 (d) ₹2160
24. 24.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹2400 (b) ₹80 (c) ₹480 (d) ₹400
25. 25.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3420 (b) ₹3630 (c) ₹3210 (d) ₹420
26. 26.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹270 (b) ₹810 (c) ₹3540 (d) ₹540
27. 27.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹11600 (c) ₹12320 (d) ₹8720
28. 28.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10350 (b) ₹9270 (c) ₹10620 (d) ₹1350
29. 29.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
30. 30.In how many years will ₹9000 earn ₹3600 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
31. 31.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹400 (b) ₹11200 (c) ₹1600 (d) ₹1200
32. 32.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹280 (b) ₹4060 (c) ₹560 (d) ₹840
33. 33.The simple interest on ₹5500 for 3 years is ₹660. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
34. 34.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
35. 35.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
36. 36.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹9450 (c) ₹11250 (d) ₹2250
37. 37.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2775 (b) ₹1100 (c) ₹3875 (d) ₹3600
38. 38.What is the simple interest on ₹7000 at 8% per year for 2 years? (a) ₹1120 (b) ₹1680 (c) ₹560 (d) ₹8120
39. 39.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
40. 40.The simple interest on ₹5500 for 4 years is ₹1100. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%

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