Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 50 · 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 cycles to his school at 60 km/h and comes back by the same road at 40 km/h. What is his average speed for the whole trip (in km/h)?
2. 2.What is the difference between the compound interest and the simple interest on ₹36100 at 20% per year for 2 years (in ₹)?
3. 3.The simple interest on ₹16000 for 1 year is ₹800. What is the rate of interest (% per year)?
4. 4.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
5. 5.A school bag marked at ₹4240 is sold for ₹2968. What is the discount percent?
6. 6.A shopkeeper buys a table fan for ₹1100 and sells it for ₹1650. Find the profit percent.
7. 7.Priya and Kabir together finish a job in 4 days. Priya alone takes 6 days. How many days would Kabir take alone?
8. 8.Find the amount when ₹44000 is invested at 5% per year compound interest for 2 years (in ₹).
9. 9.After a 50% discount, a school bag costs ₹660. What was its marked price (in ₹)?
10. 10.Nisha is 5 years older than Dev. In 2 years, the sum of their ages will be 67. How old is Dev now?
11. 11.By selling a table fan for ₹238, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
12. 12.How many minutes does a car take to go 48 km at 48 km/h?
13. 13.Change 30 m/s into km/h.
14. 14.Dev’s father is twice as old as Dev. The sum of their ages is 45 years. How old is Dev?
15. 15.How many minutes does a car take to go 17 km at 60 km/h?
16. 16.A school bag bought for ₹1940 is sold at a loss of 10%. What is the selling price (in ₹)?
17. 17.Change 5 m/s into km/h.
18. 18.Tara’s batting average after 7 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 22?
19. 19.What sum of money earns ₹2420 simple interest in 5 years at 11% per year (in ₹)?
20. 20.After a 40% discount, a pair of shoes costs ₹552. What was its marked price (in ₹)?
21. 21.What sum of money earns ₹564 simple interest in 2 years at 6% per year (in ₹)?
22. 22.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
23. 23.Dev can finish a job in 3 days and Aditya in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.The average of 4 numbers is 33. When one more number is added, the average becomes 38. What number was added?
25. 25.A watch is marked at ₹3140. The shop gives a 10% discount. How much do you pay (in ₹)?
26. 26.A shopkeeper buys a study lamp for ₹1820 and sells it for ₹1729. Find the loss percent.
27. 27.Farhan can finish a job in 9 days and Aditya in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
28. 28.A car runs for 2 hours at 35 km/h and then for 2 hours at 57 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.Marks of 4 friends in a quiz: 78, 73, 88, 81. What is their average mark?
30. 30.Priya works twice as fast as Ishaan. Together they finish a job in 2 days. How many days would Ishaan take alone?
31. 31.Meera can finish a job in 14 days and Farhan in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.The average of 9 numbers is 57. When one more number is added, the average becomes 58. What number was added?
33. 33.A shopkeeper buys a pressure cooker for ₹1740 and sells it for ₹1827. Find the profit percent.
34. 34.The price of a school bag changes from ₹3260 to ₹3097. By what percent did it come down?
35. 35.By selling a pressure cooker for ₹2000, a shopkeeper makes a profit of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
36. 36.A cricket bat is marked at ₹3040. The shop gives a 30% discount. How much do you pay (in ₹)?
37. 37.Rahul is 5 years older than Kavya. In 10 years, the sum of their ages will be 61. How old is Kavya now?
38. 38.A watch is marked at ₹2340. The shop gives a 15% discount. How much do you pay (in ₹)?
39. 39.Pooja can finish a job in 4 days and Dev in 28 days. Pooja works alone for 1 day and then stops. Dev finishes the rest. How many days does Dev take?
40. 40.By selling a cricket bat for ₹1360, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?

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