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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 75 · 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.Which of these numbers divides exactly by 11? (a) 4678 (b) 2522 (c) 3256 (d) 5065
  2. 2.Round 19113 to the nearest ten.
  3. 3.86 − 40 ÷ 5 × 8 =
  4. 4.Isha scored 24 marks out of 40 in a test. What percentage did Isha score?
  5. 5.Find the HCF of 77 and 66.
  6. 6.Find the HCF of 54 and 63.
  7. 7.What percent of 80 is 40?
  8. 8.3 : 4 = 6 : ?
  9. 9.61 − 15 ÷ 3 × 8 =
  10. 10.How many factors does 67 have?
  11. 11.What percent of 40 is 34?
  12. 12.Find the LCM of 9 and 6.
  13. 13.2/7 + 2/3 =
  14. 14.If 9 kg of rice costs ₹324, how many kg can you buy for ₹108?
  15. 15.Find the HCF of 28 and 70.
  16. 16.What is 1/2 of 18 km?
  17. 17.A car goes 252 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
  18. 18.Find the LCM of 15, 4 and 6.
  19. 19.Round 80282 to the nearest thousand.
  20. 20.Which is closest to 996 ÷ 51? (a) 40 (b) 10 (c) 20 (d) 200
  21. 21.Which of these numbers divides exactly by 11? (a) 3489 (b) 7248 (c) 2717 (d) 3567
  22. 22.The HCF of two numbers is 2 and their LCM is 40. One of the numbers is 8. What is the other number?
  23. 23.Write 1/10 as a percent.
  24. 24.The ratio of boys to girls in a class is 5 : 2. There are 30 boys. How many girls are there?
  25. 25.25 ÷ 5 × 2 + 9 =
  26. 26.Round 90.71 to one decimal place. =
  27. 27.Find the LCM of 15, 2 and 12.
  28. 28.1.5 × 6 =
  29. 29.If 11 pens cost ₹649, how much do 6 pens cost (in ₹)?
  30. 30.Divide ₹102 between Kavya and Zoya in the ratio 8 : 9. How much does Kavya get (in ₹)?
  31. 31.What is 10% of 490?
  32. 32.Find the HCF of 75 and 60.
  33. 33.Find the LCM of 4 and 6.
  34. 34.Aditya scored 14 marks out of 25 in a test. What percentage did Aditya score?
  35. 35.The HCF of two numbers is 7 and their LCM is 252. One of the numbers is 63. What is the other number?
  36. 36.Three temple bells ring every 30, 18 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  37. 37.Three temple bells ring every 30, 8 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  38. 38.Write 29/50 as a percent.
  39. 39.If 5 kg of rice costs ₹275, how many kg can you buy for ₹220?
  40. 40.62 − 18 ÷ 6 × 9 =

Answer key

  1. 3256
  2. 19110
  3. 22
  4. 60
  5. 11
  6. 9
  7. 50
  8. 8
  9. 21
  10. 2
  11. 85
  12. 18
  13. 20/21
  14. 3
  15. 14
  16. 9
  17. 42
  18. 60
  19. 80000
  20. 20
  21. 2717
  22. 10
  23. 10
  24. 12
  25. 19
  26. 90.7
  27. 60
  28. 9
  29. 354
  30. 48
  31. 49
  32. 15
  33. 12
  34. 56
  35. 28
  36. 90
  37. 120
  38. 58
  39. 4
  40. 35

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