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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 707 · 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.Divide ₹63 between Ananya and Kabir in the ratio 1 : 8. How much does Kabir get (in ₹)?
  2. 2.(16 + 5) × 3 − 15 =
  3. 3.1/12 × 1/2 =
  4. 4.Which is closest to 296 × 89? (Round each number first.) (a) 54000 (b) 2700 (c) 27000 (d) 270000
  5. 5.What is the smallest number you must take away from 496 so that it divides exactly by 11?
  6. 6.A hall floor is 420 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  7. 7.6/11 × 1/2 =
  8. 8.Divide ₹250 between Farhan and Ishaan in the ratio 7 : 3. How much does Farhan get (in ₹)?
  9. 9.Two tanks hold 40 litres and 140 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  10. 10.Find the LCM of 8 and 36.
  11. 11.35 + 11 × 8 − 2 =
  12. 12.Write 9/20 as a percent.
  13. 13.How many factors does 56 have?
  14. 14.What is the smallest number you must take away from 406 so that it divides exactly by 8?
  15. 15.64 ÷ 8 × 9 + 16 =
  16. 16.Write 1/4 as a percent.
  17. 17.What is 40% of 10?
  18. 18.88 ÷ 8 × 7 + 5 =
  19. 19.What is 50% of 396?
  20. 20.Two tanks hold 20 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  21. 21.Find the HCF of 36 and 42.
  22. 22.What is 60% of 65?
  23. 23.Find the LCM of 5, 6 and 2.
  24. 24.5 × (19 − 13) + 54 ÷ 9 =
  25. 25.A car goes 252 km on 12 litres of petrol. How far can it go on 30 litres (in km)?
  26. 26.108 ÷ 9 × 2 + 10 =
  27. 27.If 5 pencil boxes cost ₹175, how much do 12 pencil boxes cost (in ₹)?
  28. 28.What is the smallest number you must take away from 851 so that it divides exactly by 9?
  29. 29.80 ÷ 8 × 6 + 1 =
  30. 30.How many factors does 22 have?
  31. 31.7.41 + 1.1 =
  32. 32.15 + 6 × 12 − 15 =
  33. 33.A hall floor is 120 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  34. 34.Which of these numbers divides exactly by 9? (a) 3106 (b) 4002 (c) 2927 (d) 7830
  35. 35.How many factors does 35 have?
  36. 36.33 + 3 × 10 − 11 =
  37. 37.Find the LCM of 28 and 20.
  38. 38.A car goes 88 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
  39. 39.A hall floor is 160 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  40. 40.2/4 + 5/8 =

Answer key

  1. 56
  2. 48
  3. 1/24
  4. 27000
  5. 1
  6. 14
  7. 3/11
  8. 175
  9. 20
  10. 72
  11. 121
  12. 45
  13. 8
  14. 6
  15. 88
  16. 25
  17. 4
  18. 82
  19. 198
  20. 10
  21. 6
  22. 39
  23. 30
  24. 36
  25. 630
  26. 34
  27. 420
  28. 5
  29. 61
  30. 4
  31. 8.51
  32. 72
  33. 30
  34. 7830
  35. 4
  36. 52
  37. 140
  38. 187
  39. 24
  40. 9/8

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