Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 882 · 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 shopkeeper buys a school bag for ₹1560 and sells it for ₹1794. Find the profit percent.
2. 2.A pair of shoes is marked at ₹3360. The shop gives a 25% discount. How much do you pay (in ₹)?
3. 3.By selling a bicycle for ₹836, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.By selling a cricket bat for ₹336, a shopkeeper makes a loss of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
5. 5.Aditya and Meera together finish a job in 5 days. Aditya alone takes 10 days. How many days would Meera take alone?
6. 6.The price of a school bag changes from ₹4500 to ₹5400. By what percent did it go up?
7. 7.A shop sells an average of 23 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
8. 8.Dev’s father is twice as old as Dev. The sum of their ages is 45 years. How old is Dev?
9. 9.A bicycle is marked at ₹450. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
10. 10.Karan and Zoya together finish a job in 5 days. Karan alone takes 6 days. How many days would Zoya take alone?
11. 11.A price goes up by 5% and then goes up by 40% more. By what percent has it gone up in all? =
12. 12.Rohan’s father is twice as old as Rohan. The sum of their ages is 24 years. How old is Rohan?
13. 13.A water tank holds 340 litres. 10% of the water is used. How many litres are left?
14. 14.What is the difference between the compound interest and the simple interest on ₹42000 at 10% per year for 2 years (in ₹)?
15. 15.How many minutes does a car take to go 54 km at 36 km/h?
16. 16.A shopkeeper buys a watch for ₹920 and sells it for ₹874. Find the loss percent.
17. 17.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
18. 18.Change 10 m/s into km/h.
19. 19.Aarav can finish a job in 30 days and Dev in 5 days. Aarav works alone for 24 days and then stops. Dev finishes the rest. How many days does Dev take?
20. 20.Arjun can finish a job in 11 days and Manav in 22 days. Arjun works alone for 3 days and then stops. Manav finishes the rest. How many days does Manav take?
21. 21.The average of 5 numbers is 46. When one more number is added, the average becomes 49. What number was added?
22. 22.Find the amount when ₹10625 is invested at 12% per year compound interest for 2 years (in ₹).
23. 23.The simple interest on ₹9500 for 5 years is ₹2850. What is the rate of interest (% per year)?
24. 24.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
25. 25.The average of 5 numbers is 50. When one more number is added, the average becomes 55. What number was added?
26. 26.A price comes down by 25% and then comes down by 5% more. By what percent has it come down in all? =
27. 27.4 years ago, Arjun’s mother was four times as old as Arjun. The mother is 44 years old now. How old is Arjun now?
28. 28.A car runs for 2 hours at 79 km/h and then for 2 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.A car runs for 3 hours at 76 km/h and then for 3 hours at 22 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.A bicycle is marked at ₹620. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
31. 31.Kabir cycles to his school at 30 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
32. 32.By selling a pair of shoes for ₹990, a shopkeeper makes a profit of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
33. 33.A watch bought for ₹1260 is sold at a loss of 30%. What is the selling price (in ₹)?
34. 34.A bicycle bought for ₹720 is sold at a profit of 25%. What is the selling price (in ₹)?
35. 35.Diya puts ₹19200 in a bank at 9% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.A pair of shoes marked at ₹4240 is sold for ₹2544. What is the discount percent?
37. 37.A price comes down by 40% and then comes down by 15% more. By what percent has it come down in all? =
38. 38.After a 25% discount, a bicycle costs ₹1605. What was its marked price (in ₹)?
39. 39.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
40. 40.A cricket bat bought for ₹1280 is sold at a profit of 50%. What is the selling price (in ₹)?

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