Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 248 · 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.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
2. 2.The simple interest on ₹600 for 5 years is ₹180. What is the rate of interest (% per year)?
3. 3.A table fan is marked at ₹1000. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
4. 4.A water tank holds 1760 litres. 20% of the water is used. How many litres are left?
5. 5.A price goes up by 10% and then comes down by 5%. By what percent has it gone up in all? =
6. 6.A shop sells an average of 69 kg of sugar a day for 2 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
7. 7.A shopkeeper buys a watch for ₹480 and sells it for ₹432. Find the loss percent.
8. 8.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
9. 9.By selling a cricket bat for ₹2184, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
10. 10.Find the compound interest on ₹24816 at 25% per year for 2 years, added every year (in ₹).
11. 11.A bus runs at 66 km/h. How far does it go in 20 minutes (in km)?
12. 12.Meera and Karan together finish a job in 11 days. Meera alone takes 22 days. How many days would Karan take alone?
13. 13.How many minutes does a car take to go 117 km at 78 km/h?
14. 14.A bus runs at 50 km/h. How far does it go in 30 minutes (in km)?
15. 15.By selling a watch for ₹2604, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
16. 16.The simple interest on ₹8200 for 3 years is ₹3444. What is the rate of interest (% per year)?
17. 17.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 15 years. How old is Vivaan?
18. 18.8 years ago, Pooja’s mother was four times as old as Pooja. The mother is 56 years old now. How old is Pooja now?
19. 19.Meera can finish a job in 16 days and Tara in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.Ananya works three times as fast as Vivaan. Together they finish a job in 8 days. How many days would Vivaan take alone?
21. 21.A price comes down by 30% and then comes down by 25% more. By what percent has it come down in all? =
22. 22.In 24 years, Sneha will be three times as old as Sneha was 6 years ago. How old is Sneha now?
23. 23.The price of a school bag changes from ₹3640 to ₹3458. By what percent did it come down?
24. 24.The price of a bicycle is ₹700. It goes up by 20%. What is the new price (in ₹)?
25. 25.A pressure cooker is marked at ₹4160. The shop gives a 25% discount. How much do you pay (in ₹)?
26. 26.A price comes down by 10% and then comes down by 50% more. By what percent has it come down in all? =
27. 27.The simple interest on ₹15000 for 4 years is ₹2400. What is the rate of interest (% per year)?
28. 28.Kabir’s father is four times as old as Kabir. The sum of their ages is 55 years. How old is Kabir?
29. 29.A watch bought for ₹1920 is sold at a profit of 10%. What is the selling price (in ₹)?
30. 30.A bus runs at 21 km/h. How far does it go in 40 minutes (in km)?
31. 31.A shopkeeper buys a bicycle for ₹340 and sells it for ₹306. Find the loss percent.
32. 32.Change 90 km/h into metres per second.
33. 33.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
34. 34.By selling a bicycle for ₹1652, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
35. 35.Diya puts ₹2500 in a bank at 2% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.The simple interest on ₹4200 for 4 years is ₹1176. What is the rate of interest (% per year)?
37. 37.Marks of 4 friends in a quiz: 51, 79, 76, 54. What is their average mark?
38. 38.By selling a cricket bat for ₹1794, a shopkeeper makes a profit of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
39. 39.A shop sells an average of 20 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
40. 40.By selling a study lamp for ₹1020, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?

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