← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 655 · 40 questions
TalentJR

The method (Spot the type): Read the question and name the topic: HCF/LCM, fraction, ratio, percent … Use that lesson’s method and write each step. Check: is the answer sensible in size and units?

NameDateTime takenScore ___ / 40
  1. 1.Two tanks hold 90 litres and 405 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  2. 2.What is 1/2 of 38 km?
  3. 3.A hostel has enough food for 5 students for 14 days. How many days will the same food last for 14 students?
  4. 4.Three temple bells ring every 5, 24 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  5. 5.5/6 − 1/2 =
  6. 6.What is the smallest number you must take away from 125 so that it divides exactly by 4?
  7. 7.Round 99.44 to one decimal place. =
  8. 8.A hall floor is 175 cm long and 50 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  9. 9.2 : 7 = 14 : ?
  10. 10.Find the HCF of 126 and 112.
  11. 11.Farhan takes 48 seconds and Pooja takes 60 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  12. 12.Round 96.18 to one decimal place. =
  13. 13.Find the HCF of 45 and 75.
  14. 14.12% of a number is 9. What is the number?
  15. 15.A car goes 42 km on 2 litres of petrol. How far can it go on 15 litres (in km)?
  16. 16.Write 1/2 as a percent.
  17. 17.What is the smallest number you must take away from 603 so that it divides exactly by 12?
  18. 18.Find the HCF of 48 and 36.
  19. 19.Two tanks hold 20 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.Two tanks hold 250 litres and 400 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  21. 21.What is 20% of 80?
  22. 22.Which is closest to 2504 ÷ 51? (a) 100 (b) 500 (c) 25 (d) 50
  23. 23.What is 4/5 of ₹40?
  24. 24.Find the LCM of 3, 7 and 6.
  25. 25.How many factors does 13 have?
  26. 26.2/8 − 1/6 =
  27. 27.Write 1/4 as a percent.
  28. 28.Three temple bells ring every 4, 24 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  29. 29.A hostel has enough food for 3 students for 6 days. How many days will the same food last for 2 students?
  30. 30.20.5 ÷ 5 =
  31. 31.What percent of 40 is 4?
  32. 32.Two tanks hold 315 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  33. 33.Find the third proportional to 6 and 24 (that is, 6 : 24 = 24 : ?).
  34. 34.5/7 + 7/11 =
  35. 35.What is 2/7 of 175 students?
  36. 36.15 − 21 ÷ 7 × 2 =
  37. 37.A car goes 150 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
  38. 38.A car goes 72 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
  39. 39.What percent of 40 is 10?
  40. 40.Find the third proportional to 9 and 36 (that is, 9 : 36 = 36 : ?).

Answer key

  1. 45
  2. 19
  3. 5
  4. 120
  5. 1/3
  6. 1
  7. 99.4
  8. 14
  9. 49
  10. 14
  11. 240
  12. 96.2
  13. 15
  14. 75
  15. 315
  16. 50
  17. 3
  18. 12
  19. 10
  20. 50
  21. 16
  22. 50
  23. 32
  24. 42
  25. 2
  26. 1/12
  27. 25
  28. 72
  29. 9
  30. 4.1
  31. 10
  32. 45
  33. 96
  34. 104/77
  35. 50
  36. 9
  37. 100
  38. 45
  39. 25
  40. 144

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude