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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 581 · 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. 1.4/6 + 1/2 =
  2. 2.Write 3/4 as a percent.
  3. 3.Which of these numbers divides exactly by 4? (a) 8945 (b) 5395 (c) 3552 (d) 1130
  4. 4.The ratio of boys to girls in a class is 3 : 2. There are 12 boys. How many girls are there?
  5. 5.The HCF of two numbers is 9 and their LCM is 504. One of the numbers is 63. What is the other number?
  6. 6.5.22 + 8.4 =
  7. 7.What is the smallest number you must take away from 618 so that it divides exactly by 8?
  8. 8.How many factors does 48 have?
  9. 9.5 : 13 = 30 : ?
  10. 10.A hostel has enough food for 7 students for 30 days. How many days will the same food last for 6 students?
  11. 11.Round 52036 to the nearest ten.
  12. 12.Find the LCM of 15 and 24.
  13. 13.If 2 kites cost ₹24, how much do 3 kites cost (in ₹)?
  14. 14.A hostel has enough food for 8 students for 30 days. How many days will the same food last for 15 students?
  15. 15.96 − 54 ÷ 6 × 8 =
  16. 16.How many factors does 14 have?
  17. 17.Round 14.42 to one decimal place. =
  18. 18.Which is closest to 1806 ÷ 21? (a) 180 (b) 900 (c) 45 (d) 90
  19. 19.Which is closest to 101 + 103 + 801? (a) 1000 (b) 900 (c) 1200 (d) 1100
  20. 20.Find the third proportional to 7 and 35 (that is, 7 : 35 = 35 : ?).
  21. 21.32 ÷ 8 × 9 + 19 =
  22. 22.Which is closest to 702 + 96 + 600? (a) 1600 (b) 1400 (c) 1500 (d) 1300
  23. 23.What is 3/4 of 60 students?
  24. 24.47 + 6 × 5 − 43 =
  25. 25.Find the HCF of 54 and 42.
  26. 26.11 + 5 × 6 − 1 =
  27. 27.What percent of 500 is 95?
  28. 28.If 2 kg of rice costs ₹134, how many kg can you buy for ₹201?
  29. 29.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 6, 5 or 8.
  30. 30.Find the smallest number bigger than 12 that leaves a remainder of 4 when divided by 12, 5 or 10.
  31. 31.Divide ₹255 between Pooja and Karan in the ratio 4 : 1. How much does Pooja get (in ₹)?
  32. 32.Write 8/25 as a percent.
  33. 33.Find the HCF of 36 and 24.
  34. 34.If 4 kg of rice costs ₹180, how many kg can you buy for ₹135?
  35. 35.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  36. 36.The HCF of two numbers is 3 and their LCM is 105. One of the numbers is 21. What is the other number?
  37. 37.Which is closest to 798 + 296 + 205? (a) 1400 (b) 1200 (c) 1300 (d) 1500
  38. 38.Divide ₹170 between Rahul and Kavya in the ratio 3 : 2. How much does Kavya get (in ₹)?
  39. 39.Which is closest to 201 × 82? (Round each number first.) (a) 1600 (b) 16000 (c) 32000 (d) 160000
  40. 40.23 + 9 × 2 − 9 =

Answer key

  1. 7/6
  2. 75
  3. 3552
  4. 8
  5. 72
  6. 13.62
  7. 2
  8. 10
  9. 78
  10. 35
  11. 52040
  12. 120
  13. 36
  14. 16
  15. 24
  16. 4
  17. 14.4
  18. 90
  19. 1000
  20. 175
  21. 55
  22. 1400
  23. 45
  24. 34
  25. 6
  26. 40
  27. 19
  28. 3
  29. 122
  30. 64
  31. 204
  32. 32
  33. 12
  34. 3
  35. 28
  36. 15
  37. 1300
  38. 68
  39. 16000
  40. 32

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