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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 234 · 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. 1.7.22 + 1.6 =
  2. 2.5 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  3. 3.Which is closest to 598 ÷ 19? (a) 300 (b) 60 (c) 30 (d) 15
  4. 4.If 9 mangoes cost ₹315, how much do 15 mangoes cost (in ₹)?
  5. 5.How many factors does 93 have?
  6. 6.Find the LCM of 12 and 16.
  7. 7.Write 1/2 as a percent.
  8. 8.What percent of 20 is 15?
  9. 9.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 9, 12 or 5.
  10. 10.Divide ₹266 between Isha and Kabir in the ratio 5 : 9. How much does Kabir get (in ₹)?
  11. 11.If 3 mangoes cost ₹81, how much do 10 mangoes cost (in ₹)?
  12. 12.How many factors does 51 have?
  13. 13.Find the LCM of 3, 2 and 15.
  14. 14.Round 27907 to the nearest hundred.
  15. 15.What is the smallest number you must take away from 267 so that it divides exactly by 13?
  16. 16.Divide ₹407 between Karan and Priya in the ratio 2 : 9. How much does Priya get (in ₹)?
  17. 17.Which is closest to 295 + 299 + 205? (a) 800 (b) 900 (c) 700 (d) 1000
  18. 18.Three temple bells ring every 18, 24 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.3/5 − 5/11 =
  20. 20.Which is closest to 198 × 62? (Round each number first.) (a) 24000 (b) 1200 (c) 120000 (d) 12000
  21. 21.Which is closest to 96 + 795 + 603? (a) 1500 (b) 1700 (c) 1600 (d) 1400
  22. 22.15% of a number is 33. What is the number?
  23. 23.1.1 × 5 =
  24. 24.24 ÷ 4 × 8 + 8 =
  25. 25.The ratio of boys to girls in a class is 5 : 9. There are 30 boys. How many girls are there?
  26. 26.How many factors does 47 have?
  27. 27.What is the smallest number you must add to 977 so that it divides exactly by 11?
  28. 28.Find the HCF of 126 and 28.
  29. 29.(20 + 2) × 7 − 12 =
  30. 30.Find the third proportional to 8 and 32 (that is, 8 : 32 = 32 : ?).
  31. 31.A hostel has enough food for 11 students for 9 days. How many days will the same food last for 3 students?
  32. 32.8/9 + 8/10 =
  33. 33.60 ÷ 8 =
  34. 34.9.8 × 4 =
  35. 35.3 : 8 = 9 : ?
  36. 36.Round 63.37 to one decimal place. =
  37. 37.(14 + 19) × 9 − 3 =
  38. 38.3/5 + 2/3 =
  39. 39.Round 35.66 to one decimal place. =
  40. 40.Write 4/5 as a percent.

Answer key

  1. 8.82
  2. 5
  3. 30
  4. 525
  5. 4
  6. 48
  7. 50
  8. 75
  9. 182
  10. 171
  11. 270
  12. 4
  13. 30
  14. 27900
  15. 7
  16. 333
  17. 800
  18. 72
  19. 8/55
  20. 12000
  21. 1500
  22. 220
  23. 5.5
  24. 56
  25. 54
  26. 2
  27. 2
  28. 14
  29. 142
  30. 128
  31. 33
  32. 76/45
  33. 7.5
  34. 39.2
  35. 24
  36. 63.4
  37. 294
  38. 19/15
  39. 35.7
  40. 80

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