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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 752 · 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.What is 1/3 of 84 km?
  2. 2.A car goes 45 km on 3 litres of petrol. How far can it go on 7 litres (in km)?
  3. 3.If 7 kites cost ₹294, how much do 17 kites cost (in ₹)?
  4. 4.3.27 + 1.4 =
  5. 5.Find the HCF of 26 and 91.
  6. 6.Two tanks hold 60 litres and 140 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.Round 68.88 to one decimal place. =
  8. 8.The HCF of two numbers is 4 and their LCM is 48. One of the numbers is 12. What is the other number?
  9. 9.Three temple bells ring every 5, 18 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.3.97 + 7.4 =
  11. 11.Find the LCM of 5, 2 and 4.
  12. 12.A car goes 108 km on 9 litres of petrol. How far can it go on 12 litres (in km)?
  13. 13.Which of these numbers divides exactly by 3? (a) 9698 (b) 6190 (c) 5864 (d) 1086
  14. 14.4.32 + 9.7 =
  15. 15.Find the LCM of 4, 12 and 14.
  16. 16.85 − 48 ÷ 6 × 6 =
  17. 17.A car goes 88 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
  18. 18.(13 + 4) × 3 − 5 =
  19. 19.What is the smallest number you must take away from 311 so that it divides exactly by 4?
  20. 20.Find the LCM of 3, 9 and 2.
  21. 21.What is 1/2 of ₹32?
  22. 22.1/4 of 32 + 5 × 5 =
  23. 23.9.5 × 2 =
  24. 24.What is the smallest number you must add to 873 so that it divides exactly by 13?
  25. 25.The HCF of two numbers is 4 and their LCM is 24. One of the numbers is 8. What is the other number?
  26. 26.53 − 24 ÷ 4 × 4 =
  27. 27.Round 83.13 to one decimal place. =
  28. 28.Which is closest to 1792 ÷ 21? (a) 180 (b) 900 (c) 90 (d) 45
  29. 29.Which of these numbers divides exactly by 11? (a) 3990 (b) 3282 (c) 4587 (d) 6876
  30. 30.What is the smallest number you must take away from 907 so that it divides exactly by 12?
  31. 31.A car goes 230 km on 10 litres of petrol. How far can it go on 5 litres (in km)?
  32. 32.The HCF of two numbers is 9 and their LCM is 216. One of the numbers is 27. What is the other number?
  33. 33.Which of these numbers divides exactly by 6? (a) 8247 (b) 5978 (c) 1638 (d) 8369
  34. 34.20 + 3 × 4 − 6 =
  35. 35.If 6 kg of rice costs ₹228, how many kg can you buy for ₹570?
  36. 36.A car goes 104 km on 8 litres of petrol. How far can it go on 20 litres (in km)?
  37. 37.15 ÷ 5 × 3 + 19 =
  38. 38.How many factors does 32 have?
  39. 39.1/12 × 5/10 =
  40. 40.Write 1/2 as a percent.

Answer key

  1. 28
  2. 105
  3. 714
  4. 4.67
  5. 13
  6. 20
  7. 68.9
  8. 16
  9. 90
  10. 11.37
  11. 20
  12. 144
  13. 1086
  14. 14.02
  15. 84
  16. 37
  17. 154
  18. 46
  19. 3
  20. 18
  21. 16
  22. 33
  23. 19
  24. 11
  25. 12
  26. 29
  27. 83.1
  28. 90
  29. 4587
  30. 7
  31. 115
  32. 72
  33. 1638
  34. 26
  35. 15
  36. 260
  37. 28
  38. 6
  39. 1/24
  40. 50

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