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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 955 · 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.Which of these numbers divides exactly by 4? (a) 3457 (b) 3138 (c) 8896 (d) 4542
  2. 2.Round 84.61 to one decimal place. =
  3. 3.A car goes 54 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
  4. 4.Two tanks hold 270 litres and 315 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  5. 5.Which is closest to 1992 ÷ 49? (a) 80 (b) 400 (c) 20 (d) 40
  6. 6.Two tanks hold 80 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.93 − 24 ÷ 4 × 9 =
  8. 8.9 : 6 = 81 : ?
  9. 9.Find the LCM of 2, 3 and 14.
  10. 10.If 2 kg of rice costs ₹82, how many kg can you buy for ₹574?
  11. 11.How many factors does 27 have?
  12. 12.Which is closest to 2094 ÷ 29? (a) 35 (b) 140 (c) 70 (d) 700
  13. 13.47 − 40 ÷ 8 × 2 =
  14. 14.How many factors does 13 have?
  15. 15.How many factors does 68 have?
  16. 16.How many factors does 74 have?
  17. 17.10/12 − 5/11 =
  18. 18.4 × (11 − 8) + 27 ÷ 3 =
  19. 19.3/5 + 1/10 =
  20. 20.The HCF of two numbers is 7 and their LCM is 280. One of the numbers is 56. What is the other number?
  21. 21.A hall floor is 200 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  22. 22.12 + 5 × 6 − 9 =
  23. 23.8 × (25 − 9) + 54 ÷ 9 =
  24. 24.44.8 ÷ 7 =
  25. 25.71 − 42 ÷ 6 × 8 =
  26. 26.Round 2155 to the nearest thousand.
  27. 27.A car goes 27 km on 3 litres of petrol. How far can it go on 39 litres (in km)?
  28. 28.A hall floor is 100 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  29. 29.Find the HCF of 35 and 14.
  30. 30.If 8 kg of rice costs ₹456, how many kg can you buy for ₹342?
  31. 31.9.29 + 1.5 =
  32. 32.What is the smallest number you must add to 255 so that it divides exactly by 4?
  33. 33.What is the smallest number you must take away from 335 so that it divides exactly by 8?
  34. 34.11 : 2 = 55 : ?
  35. 35.27 + 8 × 7 − 10 =
  36. 36.Three temple bells ring every 5, 30 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  37. 37.57 − 72 ÷ 8 × 3 =
  38. 38.Which is closest to 404 ÷ 19? (a) 20 (b) 10 (c) 40 (d) 200
  39. 39.(16 + 9) × 6 − 13 =
  40. 40.A hall floor is 60 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 8896
  2. 84.6
  3. 108
  4. 45
  5. 40
  6. 40
  7. 39
  8. 54
  9. 42
  10. 14
  11. 4
  12. 70
  13. 37
  14. 2
  15. 6
  16. 4
  17. 25/66
  18. 21
  19. 7/10
  20. 35
  21. 24
  22. 33
  23. 134
  24. 6.4
  25. 15
  26. 2000
  27. 351
  28. 12
  29. 7
  30. 6
  31. 10.79
  32. 1
  33. 7
  34. 10
  35. 73
  36. 120
  37. 30
  38. 20
  39. 137
  40. 6

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