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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 336 · 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.Diya can finish a job in 28 days and Kabir in 14 days. Diya works alone for 22 days and then stops. Kabir finishes the rest. How many days does Kabir take?
  2. 2.A water tank holds 1780 litres. 15% of the water is used. How many litres are left?
  3. 3.A car runs for 2 hours at 21 km/h and then for 1 hour at 24 km/h. What is its average speed for the whole journey (in km/h)?
  4. 4.In how many years will ₹6000 earn ₹1800 as simple interest at 10% per year?
  5. 5.After a 25% discount, a watch costs ₹2010. What was its marked price (in ₹)?
  6. 6.The price of a school bag changes from ₹2540 to ₹3810. By what percent did it go up?
  7. 7.Change 72 km/h into metres per second.
  8. 8.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
  9. 9.5 years ago, Sneha’s mother was four times as old as Sneha. The mother is 37 years old now. How old is Sneha now?
  10. 10.A shopkeeper buys a study lamp for ₹1080 and sells it for ₹918. Find the loss percent.
  11. 11.In how many years will ₹13200 earn ₹3564 as simple interest at 9% per year?
  12. 12.Aditya’s batting average after 6 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 41?
  13. 13.A watch bought for ₹1660 is sold at a profit of 40%. What is the selling price (in ₹)?
  14. 14.Manav is 2 years older than Farhan. In 7 years, the sum of their ages will be 66. How old is Farhan now?
  15. 15.Sneha works twice as fast as Ishaan. Together they finish a job in 4 days. How many days would Ishaan take alone?
  16. 16.Kabir cycles to his school at 63 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
  17. 17.The price of a school bag changes from ₹1400 to ₹1680. By what percent did it go up?
  18. 18.Find the amount when ₹38000 is invested at 10% per year compound interest for 2 years (in ₹).
  19. 19.2 years ago, Tara’s mother was three times as old as Tara. The mother is 32 years old now. How old is Tara now?
  20. 20.Tara’s batting average after 15 innings is 34 runs. How many runs must Tara score in the next innings to raise the average to 35?
  21. 21.A bicycle is marked at ₹1680. The shop gives a 20% discount. How much do you pay (in ₹)?
  22. 22.Diya’s father is twice as old as Diya. The sum of their ages is 42 years. How old is the father?
  23. 23.Change 108 km/h into metres per second.
  24. 24.The price of a school bag changes from ₹4080 to ₹3468. By what percent did it come down?
  25. 25.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
  26. 26.The simple interest on ₹19400 for 3 years is ₹1164. What is the rate of interest (% per year)?
  27. 27.A town has 4500 people. Its population grows by 5%. How many people live there now?
  28. 28.4 years ago, Sneha’s mother was four times as old as Sneha. The mother is 28 years old now. How old is Sneha now?
  29. 29.A water tank holds 1960 litres. 40% of the water is used. How many litres are left?
  30. 30.The price of a school bag changes from ₹4420 to ₹3094. By what percent did it come down?
  31. 31.A school bag is marked at ₹3920. The shop gives a 10% discount. How much do you pay (in ₹)?
  32. 32.A water tank holds 2740 litres. 10% of the water is used. How many litres are left?
  33. 33.A car runs for 3 hours at 40 km/h and then for 2 hours at 45 km/h. What is its average speed for the whole journey (in km/h)?
  34. 34.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A bicycle is marked at ₹820. The shop gives a 15% discount. How much do you pay (in ₹)?
  36. 36.A shopkeeper buys a table fan for ₹1120 and sells it for ₹1344. Find the profit percent.
  37. 37.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
  38. 38.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shopkeeper buys a school bag for ₹1420 and sells it for ₹1491. Find the profit percent.
  40. 40.Ishaan and Dev together finish a job in 6 days. Ishaan alone takes 10 days. How many days would Dev take alone?

Answer key

  1. 3
  2. 1513
  3. 22
  4. 3
  5. 2680
  6. 50
  7. 20
  8. 40
  9. 13
  10. 15
  11. 3
  12. 65
  13. 2324
  14. 25
  15. 12
  16. 45
  17. 20
  18. 45980
  19. 12
  20. 50
  21. 1344
  22. 28
  23. 30
  24. 15
  25. 55
  26. 2
  27. 4725
  28. 10
  29. 1176
  30. 30
  31. 3528
  32. 2466
  33. 42
  34. 45
  35. 697
  36. 20
  37. 4
  38. 37
  39. 5
  40. 15

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