Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 653 · 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 ₹7500 for 3 years is ₹450. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
2. 2.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹6000 (b) ₹2400 (c) ₹400 (d) ₹2000
3. 3.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹4340 (d) ₹840
4. 4.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
5. 5.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
6. 6.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹3000 (c) ₹8250 (d) ₹11250
7. 7.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5600 (b) ₹5100 (c) ₹500 (d) ₹5500
8. 8.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹6050 (c) ₹8250 (d) ₹2750
9. 9.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
10. 10.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
11. 11.The simple interest on ₹5500 for 3 years is ₹660. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
12. 12.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹1875 (b) ₹450 (c) ₹75 (d) ₹375
13. 13.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
14. 14.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹7670 (c) ₹8060 (d) ₹1170
15. 15.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2180 (c) ₹2720 (d) ₹2900
16. 16.The simple interest on ₹4000 for 5 years is ₹2000. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
17. 17.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
18. 18.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
19. 19.₹9000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹9900 (c) ₹13500 (d) ₹12600
20. 20.What is the simple interest on ₹5500 at 6% per year for 5 years? (a) ₹330 (b) ₹1980 (c) ₹7150 (d) ₹1650
21. 21.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 6% (b) 30% (c) 7% (d) 5%
22. 22.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹60 (c) ₹1560 (d) ₹1530
23. 23.What is the simple interest on ₹6500 at 6% per year for 4 years? (a) ₹1950 (b) ₹1560 (c) ₹390 (d) ₹8060
24. 24.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹7630 (b) ₹630 (c) ₹840 (d) ₹210
25. 25.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹3060 (c) ₹3240 (d) ₹3180
26. 26.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8525 (b) ₹3025 (c) ₹9130 (d) ₹6105
27. 27.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3850 (b) ₹770 (c) ₹3080 (d) ₹10080
28. 28.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹4160 (b) ₹160 (c) ₹240 (d) ₹80
29. 29.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
30. 30.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
31. 31.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹270 (b) ₹360 (c) ₹90 (d) ₹1270
32. 32.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹675 (b) ₹2310 (c) ₹2175 (d) ₹1635
33. 33.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹510 (c) ₹170 (d) ₹340
34. 34.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹11800 (b) ₹2400 (c) ₹1800 (d) ₹600
35. 35.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3720 (b) ₹480 (c) ₹3240 (d) ₹3480
36. 36.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 18% (b) 5% (c) 7% (d) 6%
37. 37.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹14725 (b) ₹13680 (c) ₹10545 (d) ₹4180
38. 38.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
39. 39.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8250 (b) ₹9750 (c) ₹2250 (d) ₹10500
40. 40.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8850 (b) ₹8175 (c) ₹1350 (d) ₹9525

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