Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 171 · 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.Zoya and Karan together finish a job in 3 days. Zoya alone takes 4 days. How many days would Karan take alone?
2. 2.A shopkeeper buys a pair of shoes for ₹1580 and sells it for ₹1896. Find the profit percent.
3. 3.Kabir cycles to his school at 70 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
4. 4.After a 20% discount, a watch costs ₹1360. What was its marked price (in ₹)?
5. 5.A watch is marked at ₹4000. The shop gives a 10% discount. How much do you pay (in ₹)?
6. 6.A car runs for 1 hour at 78 km/h and then for 1 hour at 24 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.The simple interest on ₹6900 for 4 years is ₹3588. What is the rate of interest (% per year)?
8. 8.6 years ago, Tara’s mother was twice as old as Tara. The mother is 12 years old now. How old is Tara now?
9. 9.What is the difference between the compound interest and the simple interest on ₹42800 at 5% per year for 2 years (in ₹)?
10. 10.By selling a pressure cooker for ₹920, a shopkeeper makes a profit of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
11. 11.Sneha’s batting average after 7 innings is 39 runs. How many runs must Sneha score in the next innings to raise the average to 43?
12. 12.By selling a pair of shoes for ₹432, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
13. 13.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
14. 14.Change 108 km/h into metres per second.
15. 15.Rahul works twice as fast as Isha. Together they finish a job in 5 days. How many days would Isha take alone?
16. 16.Change 40 m/s into km/h.
17. 17.A pressure cooker bought for ₹400 is sold at a profit of 25%. What is the selling price (in ₹)?
18. 18.A bicycle is marked at ₹625. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
19. 19.A car runs for 1 hour at 80 km/h and then for 2 hours at 59 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.Change 90 km/h into metres per second.
21. 21.Vivaan works three times as fast as Aditya. Together they finish a job in 2 days. How many days would Aditya take alone?
22. 22.A school bag bought for ₹500 is sold at a profit of 15%. What is the selling price (in ₹)?
23. 23.Diya and Farhan together finish a job in 4 days. Diya alone takes 5 days. How many days would Farhan take alone?
24. 24.A shopkeeper buys a bicycle for ₹340 and sells it for ₹255. Find the loss percent.
25. 25.A shop sells an average of 53 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
26. 26.Kabir cycles to his school at 42 km/h and comes back by the same road at 56 km/h. What is his average speed for the whole trip (in km/h)?
27. 27.A bus runs at 34 km/h. How far does it go in 90 minutes (in km)?
28. 28.What sum of money earns ₹2862 simple interest in 3 years at 6% per year (in ₹)?
29. 29.Manav’s batting average after 11 innings is 46 runs. How many runs must Manav score in the next innings to raise the average to 48?
30. 30.A bus runs at 75 km/h. How far does it go in 40 minutes (in km)?
31. 31.A bicycle marked at ₹4000 is sold for ₹3600. What is the discount percent?
32. 32.The average of 4 numbers is 32. When one more number is added, the average becomes 36. What number was added?
33. 33.Diya’s father is three times as old as Diya. The sum of their ages is 60 years. How old is the father?
34. 34.The average of 4 numbers is 25. When one more number is added, the average becomes 30. What number was added?
35. 35.A water tank holds 2460 litres. 50% of the water is used. How many litres are left?
36. 36.Tara’s father is three times as old as Tara. The sum of their ages is 56 years. How old is the father?
37. 37.By selling a pressure cooker for ₹2520, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
38. 38.Zoya and Ananya together finish a job in 2 days. Zoya alone takes 3 days. How many days would Ananya take alone?
39. 39.A shopkeeper buys a study lamp for ₹560 and sells it for ₹280. Find the loss percent.
40. 40.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

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