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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 361 · 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. 1.9 : 8 = 27 : ?
  2. 2.If 5 notebooks cost ₹240, how much do 13 notebooks cost (in ₹)?
  3. 3.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 5 students?
  4. 4.Which of these numbers divides exactly by 4? (a) 5319 (b) 3167 (c) 3936 (d) 3711
  5. 5.Find the LCM of 12, 2 and 13.
  6. 6.60 ÷ 5 × 9 + 3 =
  7. 7.Find the HCF of 77 and 66.
  8. 8.Find the LCM of 27 and 6.
  9. 9.5 painters can paint a school in 9 days. How many days would 15 painters take, working at the same speed?
  10. 10.What is 75% of 580?
  11. 11.The HCF of two numbers is 7 and their LCM is 210. One of the numbers is 42. What is the other number?
  12. 12.Find the LCM of 16 and 14.
  13. 13.Find the LCM of 8, 2 and 5.
  14. 14.What is 1/4 of 88 kg?
  15. 15.43.4 ÷ 7 =
  16. 16.(8 + 16) × 9 − 4 =
  17. 17.Which is closest to 98 + 499 + 203? (a) 800 (b) 1000 (c) 900 (d) 700
  18. 18.Three temple bells ring every 5, 20 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.Divide ₹473 between Kabir and Pooja in the ratio 8 : 3. How much does Pooja get (in ₹)?
  20. 20.Which of these numbers divides exactly by 11? (a) 7403 (b) 1588 (c) 4833 (d) 8288
  21. 21.The ratio of boys to girls in a class is 3 : 2. There are 9 boys. How many girls are there?
  22. 22.Find the HCF of 49 and 14.
  23. 23.Divide ₹238 between Vivaan and Manav in the ratio 2 : 5. How much does Vivaan get (in ₹)?
  24. 24.5.5 × 3 =
  25. 25.How many factors does 35 have?
  26. 26.Meera takes 45 seconds and Ananya takes 80 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  27. 27.What is 40% of 385?
  28. 28.The ratio of boys to girls in a class is 9 : 2. There are 45 boys. How many girls are there?
  29. 29.Write 39/50 as a percent.
  30. 30.Which of these numbers divides exactly by 6? (a) 9619 (b) 8487 (c) 3618 (d) 2126
  31. 31.Write 1/2 as a percent.
  32. 32.A hall floor is 300 cm long and 240 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  33. 33.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  34. 34.Round 49.27 to one decimal place. =
  35. 35.25 + 7 × 10 − 5 =
  36. 36.Round 46369 to the nearest thousand.
  37. 37.What is 1/2 of 44 students?
  38. 38.Find the LCM of 3 and 7.
  39. 39.10% of a number is 4. What is the number?
  40. 40.Which is closest to 899 ÷ 29? (a) 60 (b) 15 (c) 30 (d) 300

Answer key

  1. 24
  2. 624
  3. 20
  4. 3936
  5. 156
  6. 111
  7. 11
  8. 54
  9. 3
  10. 435
  11. 35
  12. 112
  13. 40
  14. 22
  15. 6.2
  16. 212
  17. 800
  18. 40
  19. 129
  20. 7403
  21. 6
  22. 7
  23. 68
  24. 16.5
  25. 4
  26. 720
  27. 154
  28. 10
  29. 78
  30. 3618
  31. 50
  32. 20
  33. 18
  34. 49.3
  35. 90
  36. 46000
  37. 22
  38. 21
  39. 40
  40. 30

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