Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 677 · 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.Kabir can finish a job in 10 days and Tara in 20 days. What fraction of the job do they finish if they work together for 3 days? =
2. 2.A shopkeeper buys a pressure cooker for ₹840 and sells it for ₹714. Find the loss percent.
3. 3.Dev can finish a job in 8 days and Priya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.A price goes up by 10% and then goes up by 10% more. By what percent has it gone up in all? =
5. 5.Marks of 4 friends in a quiz: 37, 16, 27, 12. What is their average mark?
6. 6.A town has 4660 people. Its population grows by 50%. How many people live there now?
7. 7.A water tank holds 280 litres. 40% of the water is used. How many litres are left?
8. 8.A study lamp bought for ₹1440 is sold at a loss of 15%. What is the selling price (in ₹)?
9. 9.What sum of money earns ₹4536 simple interest in 3 years at 9% per year (in ₹)?
10. 10.Aarav and Meera together finish a job in 5 days. Aarav alone takes 6 days. How many days would Meera take alone?
11. 11.A pressure cooker is marked at ₹3660. The shop gives a 50% discount. How much do you pay (in ₹)?
12. 12.A town has 60 people. Its population grows by 5%. How many people live there now?
13. 13.Kavya and Priya together finish a job in 7 days. Kavya alone takes 8 days. How many days would Priya take alone?
14. 14.A town has 1020 people. Its population grows by 50%. How many people live there now?
15. 15.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?
16. 16.The average of 7 numbers is 53. When one more number is added, the average becomes 59. What number was added?
17. 17.A shop sells 2920 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
18. 18.Aarav can finish a job in 10 days and Vivaan in 4 days. What fraction of the job do they finish if they work together for 2 days? =
19. 19.Marks of 4 friends in a quiz: 56, 57, 83, 88. What is their average mark?
20. 20.A car runs for 2 hours at 29 km/h and then for 4 hours at 65 km/h. What is its average speed for the whole journey (in km/h)?
21. 21.Rohan can finish a job in 6 days and Rahul in 16 days. What fraction of the job do they finish if they work together for 2 days? =
22. 22.A shopkeeper buys a pressure cooker for ₹1780 and sells it for ₹1068. Find the loss percent.
23. 23.Diya can finish a job in 4 days and Kabir in 26 days. Diya works alone for 2 days and then stops. Kabir finishes the rest. How many days does Kabir take?
24. 24.Find the simple interest on ₹19100 at 3% per year for 1 year (in ₹).
25. 25.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
26. 26.Change 72 km/h into metres per second.
27. 27.Sneha’s father is five times as old as Sneha. The sum of their ages is 48 years. How old is the father?
28. 28.The price of a bicycle is ₹1060. It goes up by 5%. What is the new price (in ₹)?
29. 29.Change 36 km/h into metres per second.
30. 30.The price of a school bag changes from ₹180 to ₹189. By what percent did it go up?
31. 31.A shopkeeper buys a cricket bat for ₹700 and sells it for ₹840. Find the profit percent.
32. 32.The average of 5 numbers is 32. When one more number is added, the average becomes 34. What number was added?
33. 33.A town has 2760 people. Its population grows by 20%. How many people live there now?
34. 34.A town has 2840 people. Its population grows by 15%. How many people live there now?
35. 35.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
36. 36.4 years ago, Zoya’s mother was twice as old as Zoya. The mother is 18 years old now. How old is Zoya now?
37. 37.Rahul works twice as fast as Pooja. Together they finish a job in 5 days. How many days would Pooja take alone?
38. 38.A table fan is marked at ₹535. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
39. 39.By selling a table fan for ₹1155, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
40. 40.The price of a school bag changes from ₹280 to ₹322. By what percent did it go up?

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