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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 538 · 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.The HCF of two numbers is 8 and their LCM is 96. One of the numbers is 32. What is the other number?
  2. 2.A hostel has enough food for 2 students for 10 days. How many days will the same food last for 10 students?
  3. 3.Two tanks hold 150 litres and 180 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  4. 4.Round 89.86 to one decimal place. =
  5. 5.Two tanks hold 150 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  6. 6.5.35 + 5.1 =
  7. 7.Find the LCM of 14 and 4.
  8. 8.42 + 7 × 6 − 13 =
  9. 9.The HCF of two numbers is 2 and their LCM is 36. One of the numbers is 4. What is the other number?
  10. 10.10/11 − 1/3 =
  11. 11.2 × (11 − 4) + 30 ÷ 6 =
  12. 12.Write 4/25 as a percent.
  13. 13.Which of these numbers divides exactly by 4? (a) 4886 (b) 3704 (c) 6275 (d) 1731
  14. 14.38 − 54 ÷ 9 × 6 =
  15. 15.Find the LCM of 10 and 35.
  16. 16.44 + 2 × 7 − 7 =
  17. 17.Which of these numbers divides exactly by 8? (a) 4674 (b) 6608 (c) 6349 (d) 3905
  18. 18.4/11 × 1/3 =
  19. 19.Find the HCF of 84 and 36.
  20. 20.(6 + 16) × 5 − 26 =
  21. 21.Which is closest to 703 + 897 + 600? (a) 2300 (b) 2400 (c) 2100 (d) 2200
  22. 22.What is the smallest number you must add to 685 so that it divides exactly by 9?
  23. 23.70 − 28 ÷ 4 × 6 =
  24. 24.Write 4/5 as a percent.
  25. 25.If 11 pens cost ₹374, how much do 10 pens cost (in ₹)?
  26. 26.1/3 × 10/11 =
  27. 27.If 2 kg of rice costs ₹138, how many kg can you buy for ₹1035?
  28. 28.Which is closest to 1996 ÷ 49? (a) 80 (b) 400 (c) 40 (d) 20
  29. 29.Which is closest to 800 × 61? (Round each number first.) (a) 96000 (b) 4800 (c) 48000 (d) 480000
  30. 30.24.9 ÷ 3 =
  31. 31.2/3 + 1/2 =
  32. 32.Zoya scored 44 marks out of 80 in a test. What percentage did Zoya score?
  33. 33.What is the smallest number you must add to 774 so that it divides exactly by 12?
  34. 34.How many factors does 18 have?
  35. 35.A hall floor is 200 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  36. 36.Write 7/50 as a percent.
  37. 37.How many factors does 49 have?
  38. 38.What is the smallest number you must take away from 312 so that it divides exactly by 9?
  39. 39.What is 15% of 140?
  40. 40.Which of these numbers divides exactly by 8? (a) 9599 (b) 8688 (c) 7105 (d) 3980

Answer key

  1. 24
  2. 2
  3. 30
  4. 89.9
  5. 30
  6. 10.45
  7. 28
  8. 71
  9. 18
  10. 19/33
  11. 19
  12. 16
  13. 3704
  14. 2
  15. 70
  16. 51
  17. 6608
  18. 4/33
  19. 12
  20. 84
  21. 2200
  22. 8
  23. 28
  24. 80
  25. 340
  26. 10/33
  27. 15
  28. 40
  29. 48000
  30. 8.3
  31. 7/6
  32. 55
  33. 6
  34. 6
  35. 12
  36. 14
  37. 3
  38. 6
  39. 21
  40. 8688

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