Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 448 · 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 ₹1500 for 4 years is ₹600. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
2. 2.₹5000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6200 (b) ₹1200 (c) ₹5300 (d) ₹6500
3. 3.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹9200 (c) ₹8960 (d) ₹8240
4. 4.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1225 (b) ₹4725 (c) ₹4970 (d) ₹3745
5. 5.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹400 (c) ₹10600 (d) ₹10200
6. 6.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
7. 7.The simple interest on ₹9000 for 3 years is ₹2700. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
8. 8.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
9. 9.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹1250 (c) ₹250 (d) ₹1300
10. 10.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
11. 11.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
12. 12.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
13. 13.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
14. 14.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
15. 15.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
16. 16.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹160 (b) ₹800 (c) ₹2800 (d) ₹960
17. 17.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
18. 18.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹700 (b) ₹12800 (c) ₹3500 (d) ₹2800
19. 19.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
20. 20.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹1600 (b) ₹400 (c) ₹1200 (d) ₹11200
21. 21.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹50 (b) ₹2600 (c) ₹150 (d) ₹100
22. 22.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
23. 23.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
24. 24.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
25. 25.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1110 (b) ₹330 (c) ₹1330 (d) ₹1440
26. 26.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
27. 27.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 12% (b) 10% (c) 55% (d) 11%
28. 28.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹3000 (c) ₹600 (d) ₹100
29. 29.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹1950 (c) ₹2040 (d) ₹1590
30. 30.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹1740 (b) ₹240 (c) ₹120 (d) ₹360
31. 31.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2140 (b) ₹2700 (c) ₹2840 (d) ₹700
32. 32.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
33. 33.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
34. 34.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹10400 (c) ₹8800 (d) ₹9600
35. 35.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹720 (c) ₹600 (d) ₹120
36. 36.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹6985 (b) ₹5995 (c) ₹6490 (d) ₹990
37. 37.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
38. 38.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 1% (b) 3% (c) 6% (d) 2%
39. 39.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
40. 40.In how many years will ₹9000 earn ₹3240 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years

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