Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 649 · 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 ₹3500 at 6% per year for 5 years? (a) ₹4550 (b) ₹1050 (c) ₹1260 (d) ₹210
2. 2.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹7865 (b) ₹1820 (c) ₹1365 (d) ₹455
3. 3.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3320 (b) ₹3100 (c) ₹2220 (d) ₹1100
4. 4.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹1800 (b) ₹60 (c) ₹360 (d) ₹300
5. 5.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
7. 7.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2145 (b) ₹7215 (c) ₹8645 (d) ₹9360
8. 8.The simple interest on ₹5000 for 2 years is ₹500. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
9. 9.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
10. 10.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
11. 11.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
12. 12.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹9600 (c) ₹2400 (d) ₹1600
13. 13.In how many years will ₹7500 earn ₹1800 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
14. 14.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8840 (b) ₹9425 (c) ₹7085 (d) ₹2340
15. 15.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹7280 (b) ₹280 (c) ₹140 (d) ₹420
16. 16.₹5000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹1200 (c) ₹6600 (d) ₹6200
17. 17.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹1160 (c) ₹160 (d) ₹1040
18. 18.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹1160 (b) ₹160 (c) ₹240 (d) ₹80
19. 19.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹8800 (c) ₹6160 (d) ₹8140
20. 20.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹110 (b) ₹660 (c) ₹6050 (d) ₹550
21. 21.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹60 (b) ₹240 (c) ₹1680 (d) ₹180
22. 22.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹10030 (c) ₹1020 (d) ₹9520
23. 23.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹6630 (c) ₹7280 (d) ₹650
24. 24.In how many years will ₹8000 earn ₹1280 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
25. 25.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9350 (b) ₹4250 (c) ₹13600 (d) ₹12750
26. 26.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹3300 (b) ₹8800 (c) ₹660 (d) ₹3960
27. 27.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹210 (c) ₹1210 (d) ₹280
28. 28.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
29. 29.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 30%
30. 30.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
31. 31.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹200 (b) ₹3000 (c) ₹1200 (d) ₹1000
32. 32.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
33. 33.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹3625 (c) ₹900 (d) ₹3400
34. 34.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
35. 35.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹900 (b) ₹4500 (c) ₹5400 (d) ₹14500
36. 36.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹525 (b) ₹8550 (c) ₹1575 (d) ₹1050
37. 37.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
38. 38.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹1000 (b) ₹250 (c) ₹1250 (d) ₹6000
39. 39.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4960 (b) ₹5280 (c) ₹4320 (d) ₹960
40. 40.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years

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