Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 797 · 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. 1.2 years ago, Aarav’s mother was three times as old as Aarav. The mother is 35 years old now. How old is Aarav now?
2. 2.The average of 4 numbers is 48. When one more number is added, the average becomes 49. What number was added?
3. 3.Marks of 6 friends in a quiz: 21, 33, 45, 43, 35, 9. What is their average mark?
4. 4.A shop sells an average of 32 kg of sugar a day for 5 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
5. 5.A shop sells an average of 20 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
6. 6.A car runs for 2 hours at 29 km/h and then for 2 hours at 75 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.A car runs for 1 hour at 73 km/h and then for 2 hours at 49 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.What sum of money earns ₹300 simple interest in 5 years at 4% per year (in ₹)?
9. 9.Dev and Rohan together finish a job in 14 days. Dev alone takes 18 days. How many days would Rohan take alone?
10. 10.3 years ago, Nisha’s mother was four times as old as Nisha. The mother is 43 years old now. How old is Nisha now?
11. 11.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
12. 12.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
13. 13.Change 72 km/h into metres per second.
14. 14.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
15. 15.8 years ago, Aarav’s mother was three times as old as Aarav. The mother is 26 years old now. How old is Aarav now?
16. 16.Tara’s batting average after 11 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 42?
17. 17.By selling a watch for ₹1485, a shopkeeper makes a loss of 25%. What did the watch cost the shopkeeper (in ₹)?
18. 18.What sum of money earns ₹1524 simple interest in 3 years at 4% per year (in ₹)?
19. 19.The average of 4 numbers is 31. When one more number is added, the average becomes 32. What number was added?
20. 20.Sneha is 4 years older than Kavya. In 8 years, the sum of their ages will be 30. How old is Kavya now?
21. 21.By selling a bicycle for ₹140, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
22. 22.Priya’s father is twice as old as Priya. The sum of their ages is 33 years. How old is Priya?
23. 23.Diya puts ₹2400 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
24. 24.Diya puts ₹9200 in a bank at 12% simple interest per year. How much will she have after 2 years (in ₹)?
25. 25.Change 15 m/s into km/h.
26. 26.Find the amount when ₹2500 is invested at 8% per year compound interest for 2 years (in ₹).
27. 27.How many minutes does a car take to go 24 km at 72 km/h?
28. 28.A shopkeeper buys a watch for ₹1740 and sells it for ₹1827. Find the profit percent.
29. 29.Ishaan can finish a job in 15 days and Diya in 18 days. What fraction of the job do they finish if they work together for 3 days? =
30. 30.A bicycle is marked at ₹1940. The shop gives a 25% discount. How much do you pay (in ₹)?
31. 31.The average of 6 numbers is 59. When one more number is added, the average becomes 61. What number was added?
32. 32.In 27 years, Priya will be twice as old as Priya was 4 years ago. How old is Priya now?
33. 33.Find the amount when ₹18125 is invested at 12% per year compound interest for 2 years (in ₹).
34. 34.Marks of 4 friends in a quiz: 27, 56, 49, 36. What is their average mark?
35. 35.A price comes down by 25% and then comes down by 15% more. By what percent has it come down in all? =
36. 36.A pressure cooker marked at ₹3820 is sold for ₹2674. What is the discount percent?
37. 37.What is the difference between the compound interest and the simple interest on ₹7500 at 12% per year for 2 years (in ₹)?
38. 38.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
39. 39.After a 50% discount, a bicycle costs ₹450. What was its marked price (in ₹)?
40. 40.A table fan bought for ₹520 is sold at a profit of 40%. What is the selling price (in ₹)?

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