Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 22 · 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 ₹520 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
2. 2.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
3. 3.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
4. 4.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
5. 5.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 6% (b) 4% (c) 25% (d) 5%
6. 6.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
7. 7.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 15%
8. 8.In how many years will ₹7500 earn ₹750 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
9. 9.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹120 (b) ₹2080 (c) ₹80 (d) ₹40
10. 10.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹80 (b) ₹2400 (c) ₹480 (d) ₹400
11. 11.In how many years will ₹8000 earn ₹1440 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
12. 12.₹9000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14940 (b) ₹9990 (c) ₹13950 (d) ₹4950
13. 13.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹11200 (c) ₹14800 (d) ₹3600
14. 14.In how many years will ₹4500 earn ₹1485 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
15. 15.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
16. 16.₹5000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8600 (b) ₹3000 (c) ₹8000 (d) ₹5600
17. 17.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3150 (c) ₹3750 (d) ₹600
18. 18.The simple interest on ₹7500 for 2 years is ₹1500. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
19. 19.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹6100 (c) ₹550 (d) ₹1100
20. 20.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹3300 (c) ₹4500 (d) ₹1500
21. 21.In how many years will ₹7500 earn ₹4500 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
22. 22.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹630 (b) ₹210 (c) ₹7630 (d) ₹840
23. 23.What is the simple interest on ₹4000 at 2% per year for 3 years? (a) ₹320 (b) ₹240 (c) ₹4240 (d) ₹80
24. 24.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4125 (b) ₹11625 (c) ₹12450 (d) ₹8325
25. 25.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
26. 26.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹3720 (b) ₹1080 (c) ₹720 (d) ₹360
27. 27.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹390 (b) ₹6630 (c) ₹6890 (d) ₹7020
28. 28.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹570 (b) ₹10260 (c) ₹10070 (d) ₹9690
29. 29.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹7420 (b) ₹560 (c) ₹420 (d) ₹140
30. 30.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹8680 (b) ₹2520 (c) ₹840 (d) ₹1680
31. 31.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
32. 32.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹700 (b) ₹9800 (c) ₹3500 (d) ₹2800
33. 33.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
34. 34.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹720 (b) ₹6600 (c) ₹600 (d) ₹120
35. 35.In how many years will ₹9500 earn ₹1710 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
36. 36.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹3200 (c) ₹3000 (d) ₹1000
37. 37.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
38. 38.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
39. 39.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
40. 40.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years

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