Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 834 · 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 ₹5000 at 6% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹1200 (d) ₹6200
2. 2.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
3. 3.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹1000 (b) ₹6000 (c) ₹1500 (d) ₹500
4. 4.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹825 (b) ₹10800 (c) ₹4125 (d) ₹3300
5. 5.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹1400 (b) ₹4620 (c) ₹1120 (d) ₹280
6. 6.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹2850 (d) ₹350
8. 8.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹9540 (b) ₹180 (c) ₹540 (d) ₹720
9. 9.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
10. 10.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹1200 (b) ₹3960 (c) ₹960 (d) ₹240
11. 11.In how many years will ₹8000 earn ₹1440 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
12. 12.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
13. 13.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
14. 14.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
15. 15.In how many years will ₹5000 earn ₹2000 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹1200 (b) ₹800 (c) ₹5800 (d) ₹400
17. 17.₹9500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹10640 (b) ₹15200 (c) ₹5700 (d) ₹16340
18. 18.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3605 (b) ₹420 (c) ₹4025 (d) ₹3920
19. 19.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1220 (b) ₹1330 (c) ₹220 (d) ₹1110
20. 20.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹9435 (c) ₹13175 (d) ₹4675
21. 21.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹150 (b) ₹50 (c) ₹2650 (d) ₹200
22. 22.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹1950 (c) ₹375 (d) ₹1875
23. 23.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
24. 24.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
25. 25.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 5% (b) 25% (c) 6% (d) 4%
26. 26.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹600 (c) ₹3400 (d) ₹2800
27. 27.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹4060 (d) ₹560
28. 28.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
29. 29.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹1200 (c) ₹160 (d) ₹1160
30. 30.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
31. 31.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6480 (b) ₹6975 (c) ₹4995 (d) ₹1980
32. 32.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
33. 33.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
34. 34.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
35. 35.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
36. 36.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
38. 38.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹14800 (c) ₹4800 (d) ₹16000
39. 39.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
40. 40.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years

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