Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 254 · 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 ₹1000 at 9% per year for 4 years? (a) ₹1360 (b) ₹450 (c) ₹90 (d) ₹360
2. 2.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
3. 3.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹4200 (b) ₹3360 (c) ₹840 (d) ₹10360
4. 4.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7620 (b) ₹6540 (c) ₹8160 (d) ₹1620
5. 5.In how many years will ₹9500 earn ₹1140 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
6. 6.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹9920 (c) ₹8480 (d) ₹1920
7. 7.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 48%
8. 8.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9350 (b) ₹680 (c) ₹9180 (d) ₹8670
9. 9.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
10. 10.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹40 (b) ₹80 (c) ₹120 (d) ₹2080
11. 11.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹8800 (c) ₹6160 (d) ₹8140
12. 12.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹675 (b) ₹3175 (c) ₹225 (d) ₹900
13. 13.What is the simple interest on ₹7500 at 10% per year for 4 years? (a) ₹3750 (b) ₹3000 (c) ₹10500 (d) ₹750
14. 14.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹14620 (c) ₹13600 (d) ₹5100
15. 15.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹9435 (b) ₹12240 (c) ₹13175 (d) ₹3740
16. 16.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1300 (b) ₹1400 (c) ₹1100 (d) ₹300
17. 17.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2800 (b) ₹200 (c) ₹2700 (d) ₹2600
18. 18.In how many years will ₹1500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
19. 19.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹3210 (c) ₹4050 (d) ₹4260
20. 20.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹4600 (d) ₹600
21. 21.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹4635 (c) ₹405 (d) ₹5040
22. 22.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
23. 23.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
24. 24.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
25. 25.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7085 (b) ₹2340 (c) ₹9425 (d) ₹8840
26. 26.The simple interest on ₹4500 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
27. 27.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
28. 28.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
29. 29.₹9000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹10080 (c) ₹12240 (d) ₹11160
30. 30.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹1650 (b) ₹225 (c) ₹150 (d) ₹75
31. 31.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1040 (b) ₹120 (c) ₹1120 (d) ₹1160
32. 32.₹7000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹7560 (c) ₹7280 (d) ₹7840
33. 33.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹4445 (c) ₹3815 (d) ₹4130
34. 34.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
35. 35.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 10% (b) 40% (c) 11% (d) 9%
36. 36.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3675 (b) ₹875 (c) ₹4550 (d) ₹4375
37. 37.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹220 (b) ₹660 (c) ₹440 (d) ₹5940
38. 38.What is the simple interest on ₹7500 at 11% per year for 3 years? (a) ₹825 (b) ₹3300 (c) ₹2475 (d) ₹9975
39. 39.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
40. 40.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1140 (b) ₹1425 (c) ₹10640 (d) ₹285

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