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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 69 · 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.

NameDateTime takenScore ___ / 40
  1. 1.By selling a pressure cooker for ₹378, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
  2. 2.A table fan bought for ₹280 is sold at a loss of 40%. What is the selling price (in ₹)?
  3. 3.Ishaan’s batting average after 6 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 27?
  4. 4.A shopkeeper buys a school bag for ₹1500 and sells it for ₹900. Find the loss percent.
  5. 5.By selling a pair of shoes for ₹1776, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
  6. 6.Change 5 m/s into km/h.
  7. 7.A shop sells 2020 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  8. 8.The price of a bicycle is ₹3020. It goes up by 10%. What is the new price (in ₹)?
  9. 9.A cricket bat marked at ₹700 is sold for ₹525. What is the discount percent?
  10. 10.Diya puts ₹1500 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
  11. 11.The average weight of 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.By selling a bicycle for ₹900, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
  13. 13.Kavya’s batting average after 5 innings is 46 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  14. 14.Change 20 m/s into km/h.
  15. 15.A car runs for 1 hour at 76 km/h and then for 1 hour at 20 km/h. What is its average speed for the whole journey (in km/h)?
  16. 16.The average of 6 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  17. 17.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
  18. 18.Diya puts ₹5800 in a bank at 3% simple interest per year. How much will she have after 5 years (in ₹)?
  19. 19.7 years ago, Kavya’s mother was twice as old as Kavya. The mother is 15 years old now. How old is Kavya now?
  20. 20.Marks of 5 friends in a quiz: 44, 26, 50, 39, 36. What is their average mark?
  21. 21.By selling a watch for ₹2548, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
  22. 22.After a 25% discount, a cricket bat costs ₹1725. What was its marked price (in ₹)?
  23. 23.In how many years will ₹18500 earn ₹11100 as simple interest at 15% per year?
  24. 24.Marks of 5 friends in a quiz: 23, 30, 42, 16, 24. What is their average mark?
  25. 25.A bus runs at 81 km/h. How far does it go in 20 minutes (in km)?
  26. 26.The price of a school bag changes from ₹4240 to ₹6360. By what percent did it go up?
  27. 27.The average of 9 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  28. 28.Priya works three times as fast as Manav. Together they finish a job in 5 days. How many days would Manav take alone?
  29. 29.The price of a school bag changes from ₹3760 to ₹4136. By what percent did it go up?
  30. 30.A watch marked at ₹820 is sold for ₹738. What is the discount percent?
  31. 31.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.How many minutes does a car take to go 12 km at 60 km/h?
  33. 33.In 14 years, Kabir will be twice as old as Kabir was 6 years ago. How old is Kabir now?
  34. 34.In how many years will ₹11600 earn ₹3712 as simple interest at 8% per year?
  35. 35.A shopkeeper buys a bicycle for ₹1980 and sells it for ₹2079. Find the profit percent.
  36. 36.A bus runs at 80 km/h. How far does it go in 30 minutes (in km)?
  37. 37.Isha’s father is four times as old as Isha. The sum of their ages is 45 years. How old is Isha?
  38. 38.Diya puts ₹17100 in a bank at 10% simple interest per year. How much will she have after 5 years (in ₹)?
  39. 39.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
  40. 40.The price of a school bag changes from ₹820 to ₹738. By what percent did it come down?

Answer key

  1. 360
  2. 168
  3. 39
  4. 40
  5. 1480
  6. 18
  7. 2525
  8. 3322
  9. 25
  10. 1680
  11. 35
  12. 1500
  13. 52
  14. 72
  15. 48
  16. 54
  17. 60
  18. 6670
  19. 11
  20. 39
  21. 1960
  22. 2300
  23. 4
  24. 27
  25. 27
  26. 50
  27. 61
  28. 20
  29. 10
  30. 10
  31. 38
  32. 12
  33. 26
  34. 4
  35. 5
  36. 40
  37. 9
  38. 25650
  39. 55
  40. 10

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