Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 855 · 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.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
2. 2.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
3. 3.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1425 (b) ₹10925 (c) ₹9975 (d) ₹11400
4. 4.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹70 (c) ₹280 (d) ₹1280
5. 5.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
6. 6.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
7. 7.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
8. 8.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4760 (b) ₹5075 (c) ₹3815 (d) ₹1260
9. 9.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹3200 (b) ₹1440 (c) ₹1200 (d) ₹240
10. 10.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
11. 11.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
12. 12.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
13. 13.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹4400 (b) ₹14400 (c) ₹5500 (d) ₹1100
14. 14.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
15. 15.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹3500 (b) ₹12800 (c) ₹700 (d) ₹2800
16. 16.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹150 (b) ₹225 (c) ₹1650 (d) ₹75
17. 17.In how many years will ₹7000 earn ₹2310 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
18. 18.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹850 (b) ₹9350 (c) ₹170 (d) ₹1020
19. 19.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹400 (b) ₹1400 (c) ₹480 (d) ₹80
20. 20.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 1% (b) 2% (c) 8% (d) 3%
21. 21.₹5000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹6500 (c) ₹1250 (d) ₹6250
22. 22.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
23. 23.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
24. 24.What is the simple interest on ₹7500 at 6% per year for 4 years? (a) ₹9300 (b) ₹2250 (c) ₹450 (d) ₹1800
25. 25.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹2400 (b) ₹480 (c) ₹1920 (d) ₹7920
26. 26.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1140 (b) ₹1210 (c) ₹140 (d) ₹1070
27. 27.In how many years will ₹5000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹1500 (d) ₹4500
29. 29.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹6000 (b) ₹15000 (c) ₹1000 (d) ₹5000
30. 30.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
31. 31.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹560 (d) ₹4560
32. 32.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3040 (b) ₹10260 (c) ₹12540 (d) ₹13300
33. 33.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹275 (b) ₹1375 (c) ₹1100 (d) ₹3600
34. 34.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹225 (b) ₹1575 (c) ₹1725 (d) ₹1800
35. 35.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹1260 (b) ₹945 (c) ₹4445 (d) ₹315
36. 36.The simple interest on ₹7500 for 5 years is ₹2625. What is the rate per year? (a) 6% (b) 35% (c) 8% (d) 7%
37. 37.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
38. 38.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹8320 (c) ₹320 (d) ₹480
39. 39.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 14% (b) 7% (c) 6% (d) 8%
40. 40.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹500 (d) ₹2500

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