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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 535 · 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.If 9 kites cost ₹72, how much do 14 kites cost (in ₹)?
  2. 2.Find the HCF of 36 and 27.
  3. 3.A car goes 102 km on 6 litres of petrol. How far can it go on 5 litres (in km)?
  4. 4.51 − 9 ÷ 3 × 4 =
  5. 5.If 8 kg of rice costs ₹664, how many kg can you buy for ₹747?
  6. 6.Find the LCM of 12, 11 and 4.
  7. 7.What percent of 20 is 8?
  8. 8.4/5 − 8/11 =
  9. 9.The ratio of boys to girls in a class is 2 : 9. There are 16 boys. How many girls are there?
  10. 10.What is 75% of 152?
  11. 11.Write 2/5 as a percent.
  12. 12.8 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
  13. 13.What is the smallest number you must take away from 962 so that it divides exactly by 7?
  14. 14.Which of these numbers divides exactly by 3? (a) 6256 (b) 7646 (c) 8930 (d) 2622
  15. 15.Find the LCM of 12, 9 and 5.
  16. 16.A hall floor is 250 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.Find the HCF of 28 and 8.
  18. 18.Find the HCF of 20 and 32.
  19. 19.2 × (26 − 5) + 9 ÷ 3 =
  20. 20.How many factors does 44 have?
  21. 21.Find the LCM of 3, 9 and 4.
  22. 22.Find the LCM of 5 and 9.
  23. 23.28 ÷ 4 × 9 + 2 =
  24. 24.Find the LCM of 12 and 16.
  25. 25.If 5 kg of rice costs ₹200, how many kg can you buy for ₹560?
  26. 26.5.3 × 9 =
  27. 27.(6 + 10) × 5 − 15 =
  28. 28.65.7 ÷ 9 =
  29. 29.Find the LCM of 2 and 7.
  30. 30.6.12 + 1.8 =
  31. 31.How many factors does 31 have?
  32. 32.What is the smallest number you must take away from 173 so that it divides exactly by 6?
  33. 33.Three temple bells ring every 9, 6 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.A car goes 115 km on 5 litres of petrol. How far can it go on 31 litres (in km)?
  35. 35.38 + 10 × 12 − 19 =
  36. 36.Which of these numbers divides exactly by 6? (a) 4306 (b) 3848 (c) 7626 (d) 4970
  37. 37.1/10 × 1/9 =
  38. 38.Round 46.54 to one decimal place. =
  39. 39.The ratio of boys to girls in a class is 7 : 3. There are 56 boys. How many girls are there?
  40. 40.5/8 × 8/9 =

Answer key

  1. 112
  2. 9
  3. 85
  4. 39
  5. 9
  6. 132
  7. 40
  8. 4/55
  9. 72
  10. 114
  11. 40
  12. 16
  13. 3
  14. 2622
  15. 180
  16. 15
  17. 4
  18. 4
  19. 45
  20. 6
  21. 36
  22. 45
  23. 65
  24. 48
  25. 14
  26. 47.7
  27. 65
  28. 7.3
  29. 14
  30. 7.92
  31. 2
  32. 5
  33. 90
  34. 713
  35. 139
  36. 7626
  37. 1/90
  38. 46.5
  39. 24
  40. 5/9

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