Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 195 · 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 ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
2. 2.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹3815 (c) ₹315 (d) ₹3605
3. 3.In how many years will ₹3500 earn ₹875 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
4. 4.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
5. 5.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
6. 6.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹330 (b) ₹990 (c) ₹1320 (d) ₹3990
7. 7.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
8. 8.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹400 (b) ₹2900 (c) ₹100 (d) ₹500
9. 9.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9300 (b) ₹8400 (c) ₹10200 (d) ₹1800
10. 10.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹200 (b) ₹5200 (c) ₹100 (d) ₹300
11. 11.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
12. 12.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 18%
13. 13.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
14. 14.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹2100 (b) ₹9100 (c) ₹700 (d) ₹2800
15. 15.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
16. 16.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹420 (b) ₹7260 (c) ₹1680 (d) ₹1260
17. 17.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
18. 18.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹1875 (c) ₹1950 (d) ₹375
19. 19.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
20. 20.The simple interest on ₹5500 for 4 years is ₹2640. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
21. 21.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹960 (b) ₹160 (c) ₹4800 (d) ₹800
22. 22.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹900 (b) ₹225 (c) ₹675 (d) ₹8175
23. 23.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6120 (c) ₹6240 (d) ₹240
24. 24.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹400 (b) ₹9200 (c) ₹1600 (d) ₹1200
25. 25.₹9000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14940 (b) ₹13950 (c) ₹9990 (d) ₹4950
26. 26.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹5750 (b) ₹750 (c) ₹900 (d) ₹150
27. 27.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹675 (c) ₹3400 (d) ₹3175
28. 28.₹4500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4590 (b) ₹360 (c) ₹4950 (d) ₹4860
29. 29.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1480 (b) ₹1080 (c) ₹400 (d) ₹1400
30. 30.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 18%
31. 31.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
32. 32.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10500 (b) ₹11500 (c) ₹11000 (d) ₹1000
33. 33.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹225 (b) ₹1650 (c) ₹150 (d) ₹75
34. 34.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1800 (b) ₹4500 (c) ₹1500 (d) ₹300
35. 35.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹750 (b) ₹900 (c) ₹150 (d) ₹8250
36. 36.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4320 (b) ₹960 (c) ₹5280 (d) ₹4960
37. 37.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹880 (b) ₹9760 (c) ₹2640 (d) ₹1760
38. 38.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹14400 (b) ₹5500 (c) ₹1100 (d) ₹4400
39. 39.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 55% (b) 10% (c) 12% (d) 11%
40. 40.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad