Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 932 · 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.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2625 (b) ₹2750 (c) ₹2875 (d) ₹250
2. 2.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹6000 (b) ₹500 (c) ₹1500 (d) ₹1000
3. 3.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹700 (b) ₹2800 (c) ₹2100 (d) ₹9100
4. 4.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
5. 5.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹3240 (d) ₹7200
6. 6.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹2875 (b) ₹75 (c) ₹450 (d) ₹375
7. 7.The simple interest on ₹7500 for 5 years is ₹2250. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
8. 8.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
9. 9.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹9880 (b) ₹380 (c) ₹570 (d) ₹190
10. 10.In how many years will ₹5500 earn ₹1320 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
11. 11.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
12. 12.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
13. 13.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹325 (b) ₹1950 (c) ₹8125 (d) ₹1625
14. 14.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
15. 15.The simple interest on ₹6500 for 5 years is ₹650. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
16. 16.₹5500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹5940 (c) ₹7260 (d) ₹1320
17. 17.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
18. 18.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
19. 19.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
20. 20.₹8500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹12580 (b) ₹9520 (c) ₹3060 (d) ₹11560
21. 21.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 6% (b) 28% (c) 7% (d) 8%
22. 22.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹5350 (c) ₹700 (d) ₹5700
23. 23.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
24. 24.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹70 (c) ₹420 (d) ₹350
25. 25.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹630 (b) ₹840 (c) ₹210 (d) ₹3630
26. 26.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
27. 27.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹360 (b) ₹1800 (c) ₹60 (d) ₹300
28. 28.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹360 (b) ₹2240 (c) ₹120 (d) ₹240
29. 29.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹1500 (c) ₹9300 (d) ₹9000
30. 30.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹5750 (b) ₹1000 (c) ₹750 (d) ₹250
31. 31.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹1050 (b) ₹175 (c) ₹3375 (d) ₹875
32. 32.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹120 (b) ₹30 (c) ₹90 (d) ₹1590
33. 33.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹8400 (b) ₹1750 (c) ₹1400 (d) ₹350
34. 34.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
35. 35.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
36. 36.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
37. 37.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
38. 38.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2320 (b) ₹320 (c) ₹2480 (d) ₹2160
39. 39.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
40. 40.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years

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