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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 281 · 40 questions
TalentJR

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.

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  1. 1.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A price goes up by 25% and then goes up by 30% more. By what percent has it gone up in all? =
  3. 3.The average of 4 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  4. 4.Change 15 m/s into km/h.
  5. 5.The average of 5 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  6. 6.Sneha is 4 years older than Manav. In 5 years, the sum of their ages will be 34. How old is Manav now?
  7. 7.The simple interest on ₹9700 for 1 year is ₹873. What is the rate of interest (% per year)?
  8. 8.By selling a pair of shoes for ₹348, a shopkeeper makes a loss of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
  9. 9.A price goes up by 10% and then goes up by 20% more. By what percent has it gone up in all? =
  10. 10.Find the simple interest on ₹12500 at 2% per year for 5 years (in ₹).
  11. 11.Change 18 km/h into metres per second.
  12. 12.By selling a school bag for ₹2772, a shopkeeper makes a profit of 40%. What did the school bag cost the shopkeeper (in ₹)?
  13. 13.2 years ago, Isha’s mother was twice as old as Isha. The mother is 10 years old now. How old is Isha now?
  14. 14.Isha works twice as fast as Rahul. Together they finish a job in 6 days. How many days would Rahul take alone?
  15. 15.After a 25% discount, a pressure cooker costs ₹3330. What was its marked price (in ₹)?
  16. 16.Arjun is 2 years older than Ananya. In 5 years, the sum of their ages will be 56. How old is Ananya now?
  17. 17.Marks of 4 friends in a quiz: 49, 61, 34, 44. What is their average mark?
  18. 18.Dev works twice as fast as Zoya. Together they finish a job in 7 days. How many days would Zoya take alone?
  19. 19.The average of 5 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  20. 20.By selling a school bag for ₹648, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
  21. 21.Tara’s batting average after 7 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 31?
  22. 22.Rohan can finish a job in 13 days and Zoya in 12 days. What fraction of the job do they finish if they work together for 1 day? =
  23. 23.The average weight of 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A table fan is marked at ₹928. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  25. 25.A shopkeeper buys a watch for ₹1940 and sells it for ₹970. Find the loss percent.
  26. 26.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
  27. 27.How many minutes does a car take to go 124 km at 62 km/h?
  28. 28.Dev can finish a job in 16 days and Aditya in 12 days. What fraction of the job do they finish if they work together for 1 day? =
  29. 29.A water tank holds 1780 litres. 40% of the water is used. How many litres are left?
  30. 30.By selling a cricket bat for ₹1638, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
  31. 31.Find the compound interest on ₹11800 at 10% per year for 2 years, added every year (in ₹).
  32. 32.A shop sells 3900 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
  33. 33.A pair of shoes is marked at ₹720. The shop gives a 40% discount. How much do you pay (in ₹)?
  34. 34.A shopkeeper buys a table fan for ₹1060 and sells it for ₹1378. Find the profit percent.
  35. 35.The simple interest on ₹18600 for 3 years is ₹5022. What is the rate of interest (% per year)?
  36. 36.A bicycle bought for ₹620 is sold at a loss of 25%. What is the selling price (in ₹)?
  37. 37.Priya’s father is four times as old as Priya. The sum of their ages is 50 years. How old is the father?
  38. 38.Arjun can finish a job in 4 days and Diya in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  39. 39.The price of a bicycle is ₹3740. It goes up by 30%. What is the new price (in ₹)?
  40. 40.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 32
  2. 62.5
  3. 55
  4. 54
  5. 49
  6. 10
  7. 9
  8. 580
  9. 32
  10. 1250
  11. 5
  12. 1980
  13. 6
  14. 18
  15. 4440
  16. 22
  17. 47
  18. 21
  19. 57
  20. 720
  21. 66
  22. 25/156
  23. 40
  24. 522
  25. 50
  26. 216
  27. 120
  28. 7/48
  29. 1068
  30. 1560
  31. 2478
  32. 5070
  33. 432
  34. 30
  35. 9
  36. 465
  37. 40
  38. 28/9
  39. 4862
  40. 27

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