Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 635 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.A water tank holds 2780 litres. 10% of the water is used. How many litres are left?
2. 2.Marks of 5 friends in a quiz: 81, 61, 70, 58, 90. What is their average mark?
3. 3.Change 90 km/h into metres per second.
4. 4.The price of a school bag changes from ₹1000 to ₹1050. By what percent did it go up?
5. 5.Find the simple interest on ₹5600 at 5% per year for 4 years (in ₹).
6. 6.By selling a school bag for ₹2016, a shopkeeper makes a profit of 40%. What did the school bag cost the shopkeeper (in ₹)?
7. 7.Manav and Aarav together finish a job in 9 days. Manav alone takes 18 days. How many days would Aarav take alone?
8. 8.A water tank holds 4600 litres. 25% of the water is used. How many litres are left?
9. 9.What sum of money earns ₹350 simple interest in 1 year at 7% per year (in ₹)?
10. 10.Find the amount when ₹36875 is invested at 8% per year compound interest for 2 years (in ₹).
11. 11.Nisha is 10 years older than Isha. In 8 years, the sum of their ages will be 48. How old is Isha now?
12. 12.The average of 9 numbers is 42. When one more number is added, the average becomes 44. What number was added?
13. 13.Ananya works twice as fast as Diya. Together they finish a job in 9 days. How many days would Diya take alone?
14. 14.A bus runs at 90 km/h. How far does it go in 50 minutes (in km)?
15. 15.In how many years will ₹7800 earn ₹702 as simple interest at 3% per year?
16. 16.A water tank holds 3580 litres. 50% of the water is used. How many litres are left?
17. 17.A car runs for 4 hours at 72 km/h and then for 4 hours at 54 km/h. What is its average speed for the whole journey (in km/h)?
18. 18.Diya puts ₹4300 in a bank at 11% simple interest per year. How much will she have after 4 years (in ₹)?
19. 19.Kabir cycles to his school at 60 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.Meera is 3 years older than Priya. In 9 years, the sum of their ages will be 37. How old is Priya now?
21. 21.A study lamp is marked at ₹450. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
22. 22.A table fan marked at ₹3080 is sold for ₹2926. What is the discount percent?
23. 23.By selling a table fan for ₹675, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
24. 24.Marks of 4 friends in a quiz: 96, 86, 102, 68. What is their average mark?
25. 25.Manav’s father is three times as old as Manav. The sum of their ages is 32 years. How old is Manav?
26. 26.By selling a pressure cooker for ₹732, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
27. 27.Karan’s batting average after 12 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 49?
28. 28.Find the amount when ₹3600 is invested at 5% per year compound interest for 2 years (in ₹).
29. 29.Find the compound interest on ₹50000 at 20% per year for 3 years, added every year (in ₹).
30. 30.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
31. 31.Find the simple interest on ₹13400 at 12% per year for 4 years (in ₹).
32. 32.Find the simple interest on ₹15500 at 8% per year for 3 years (in ₹).
33. 33.A bus runs at 66 km/h. How far does it go in 50 minutes (in km)?
34. 34.A shopkeeper buys a pressure cooker for ₹920 and sells it for ₹552. Find the loss percent.
35. 35.9 years ago, Sneha’s mother was four times as old as Sneha. The mother is 57 years old now. How old is Sneha now?
36. 36.Find the amount when ₹26000 is invested at 10% per year compound interest for 2 years (in ₹).
37. 37.Meera and Ishaan together finish a job in 6 days. Meera alone takes 24 days. How many days would Ishaan take alone?
38. 38.A town has 100 people. Its population grows by 50%. How many people live there now?
39. 39.Change 18 km/h into metres per second.
40. 40.Marks of 5 friends in a quiz: 37, 34, 53, 53, 13. What is their average mark?

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