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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 392 · 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 the smallest number you must take away from 817 so that it divides exactly by 7?
  2. 2.What percent of 250 is 245?
  3. 3.A hall floor is 150 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  4. 4.Which of these numbers divides exactly by 9? (a) 8692 (b) 7095 (c) 3329 (d) 2088
  5. 5.7/8 − 2/6 =
  6. 6.Round 96.21 to one decimal place. =
  7. 7.17 + 10 × 11 − 11 =
  8. 8.2/4 + 1/9 =
  9. 9.(4 + 7) × 9 − 23 =
  10. 10.1/3 × 5/9 =
  11. 11.10% of a number is 32. What is the number?
  12. 12.Find the HCF of 55 and 33.
  13. 13.What is 10% of 70?
  14. 14.The ratio of boys to girls in a class is 9 : 1. There are 72 boys. How many girls are there?
  15. 15.What is the smallest number you must add to 208 so that it divides exactly by 7?
  16. 16.7 × (26 − 15) + 40 ÷ 8 =
  17. 17.Three temple bells ring every 10, 15 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.What is 1/2 of 12 litres?
  19. 19.What is 1/9 of 180 km?
  20. 20.If 12 cricket balls cost ₹720, how much do 10 cricket balls cost (in ₹)?
  21. 21.40 ÷ 4 × 7 + 14 =
  22. 22.A hall floor is 480 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  23. 23.Write 1/2 as a percent.
  24. 24.What percent of 200 is 102?
  25. 25.Divide ₹55 between Meera and Dev in the ratio 4 : 1. How much does Meera get (in ₹)?
  26. 26.Find the HCF of 108 and 96.
  27. 27.What is the smallest number you must add to 262 so that it divides exactly by 6?
  28. 28.Which of these numbers divides exactly by 3? (a) 4108 (b) 7763 (c) 8943 (d) 6248
  29. 29.4 × (25 − 8) + 30 ÷ 6 =
  30. 30.4 : 9 = 36 : ?
  31. 31.What percent of 50 is 41?
  32. 32.What is the smallest number you must take away from 241 so that it divides exactly by 13?
  33. 33.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 10, 3 or 12.
  34. 34.Find the HCF of 18 and 10.
  35. 35.Which is closest to 997 ÷ 19? (a) 25 (b) 500 (c) 50 (d) 100
  36. 36.Round 39.59 to one decimal place. =
  37. 37.How many factors does 89 have?
  38. 38.A hall floor is 175 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  39. 39.90 ÷ 9 × 4 + 9 =
  40. 40.Divide ₹338 between Meera and Pooja in the ratio 9 : 4. How much does Pooja get (in ₹)?

Answer key

  1. 5
  2. 98
  3. 30
  4. 2088
  5. 13/24
  6. 96.2
  7. 116
  8. 11/18
  9. 76
  10. 5/27
  11. 320
  12. 11
  13. 7
  14. 8
  15. 2
  16. 82
  17. 60
  18. 6
  19. 20
  20. 600
  21. 84
  22. 40
  23. 50
  24. 51
  25. 44
  26. 12
  27. 2
  28. 8943
  29. 73
  30. 81
  31. 82
  32. 7
  33. 62
  34. 2
  35. 50
  36. 39.6
  37. 2
  38. 28
  39. 49
  40. 104

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