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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 35 · 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.The average weight of 12 children is 47 kg. One child, who weighs 80 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A water tank holds 1160 litres. 10% of the water is used. How many litres are left?
  3. 3.Farhan is 6 years older than Aditya. In 4 years, the sum of their ages will be 24. How old is Aditya now?
  4. 4.A price goes up by 25% and then goes up by 30% more. By what percent has it gone up in all? =
  5. 5.A shop sells 3900 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
  6. 6.A watch is marked at ₹4180. The shop gives a 10% discount. How much do you pay (in ₹)?
  7. 7.The price of a school bag changes from ₹2380 to ₹2023. By what percent did it come down?
  8. 8.After a 50% discount, a study lamp costs ₹640. What was its marked price (in ₹)?
  9. 9.A school bag is marked at ₹2940. The shop gives a 5% discount. How much do you pay (in ₹)?
  10. 10.A shopkeeper buys a cricket bat for ₹780 and sells it for ₹741. Find the loss percent.
  11. 11.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
  12. 12.Farhan’s batting average after 13 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  13. 13.A price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
  14. 14.Rohan can finish a job in 9 days and Kabir in 27 days. Rohan works alone for 8 days and then stops. Kabir finishes the rest. How many days does Kabir take?
  15. 15.The price of a school bag changes from ₹1060 to ₹1590. By what percent did it go up?
  16. 16.A shop sells an average of 45 kg of sugar a day for 2 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
  18. 18.Diya puts ₹4800 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
  19. 19.A shop sells 4900 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
  20. 20.A shop sells 320 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
  21. 21.Arjun’s batting average after 15 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  22. 22.Find the compound interest on ₹41250 at 20% per year for 3 years, added every year (in ₹).
  23. 23.The average of 6 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  24. 24.A price comes down by 10% and then comes down by 20% more. By what percent has it come down in all? =
  25. 25.A pair of shoes bought for ₹1040 is sold at a profit of 40%. What is the selling price (in ₹)?
  26. 26.Saanvi’s batting average after 6 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  27. 27.The simple interest on ₹1700 for 3 years is ₹153. What is the rate of interest (% per year)?
  28. 28.A watch is marked at ₹540. The shop gives a 20% discount. How much do you pay (in ₹)?
  29. 29.A pair of shoes marked at ₹1920 is sold for ₹1152. What is the discount percent?
  30. 30.A water tank holds 1260 litres. 10% of the water is used. How many litres are left?
  31. 31.The simple interest on ₹11400 for 1 year is ₹570. What is the rate of interest (% per year)?
  32. 32.By selling a school bag for ₹1428, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
  33. 33.Marks of 6 friends in a quiz: 37, 59, 29, 42, 31, 66. What is their average mark?
  34. 34.Change 72 km/h into metres per second.
  35. 35.A price goes up by 10% and then goes up by 50% more. By what percent has it gone up in all? =
  36. 36.Nisha can finish a job in 18 days and Karan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  37. 37.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.By selling a watch for ₹192, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
  39. 39.By selling a cricket bat for ₹312, a shopkeeper makes a loss of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
  40. 40.How many minutes does a car take to go 32 km at 30 km/h?

Answer key

  1. 44
  2. 1044
  3. 5
  4. 62.5
  5. 5460
  6. 3762
  7. 15
  8. 1280
  9. 2793
  10. 5
  11. 43.75
  12. 39
  13. 43.75
  14. 3
  15. 50
  16. 33
  17. 32.5
  18. 6720
  19. 5390
  20. 448
  21. 92
  22. 30030
  23. 44
  24. 28
  25. 1456
  26. 57
  27. 3
  28. 432
  29. 40
  30. 1134
  31. 5
  32. 1360
  33. 44
  34. 20
  35. 65
  36. 198/29
  37. 36
  38. 240
  39. 520
  40. 64

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