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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 363 · 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 : 11 = 27 : ?
  2. 2.Find the smallest number bigger than 6 that leaves a remainder of 2 when divided by 6, 3 or 4.
  3. 3.6.5 × 6 =
  4. 4.What percent of 500 is 245?
  5. 5.Pooja scored 23 marks out of 50 in a test. What percentage did Pooja score?
  6. 6.Find the LCM of 54 and 12.
  7. 7.3 : 13 = 9 : ?
  8. 8.Find the LCM of 12, 7 and 4.
  9. 9.If 3 kg of rice costs ₹225, how many kg can you buy for ₹1050?
  10. 10.10 painters can paint a school in 29 days. How many days would 5 painters take, working at the same speed?
  11. 11.Round 99.53 to one decimal place. =
  12. 12.How many factors does 24 have?
  13. 13.Divide ₹160 between Sneha and Kavya in the ratio 1 : 3. How much does Kavya get (in ₹)?
  14. 14.3.4 × 3 =
  15. 15.Round 29.74 to one decimal place. =
  16. 16.Which of these numbers divides exactly by 11? (a) 3730 (b) 8356 (c) 3608 (d) 5102
  17. 17.3/5 + 5/11 =
  18. 18.Sneha scored 9 marks out of 20 in a test. What percentage did Sneha score?
  19. 19.Three temple bells ring every 30, 6 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  20. 20.150% of a number is 132. What is the number?
  21. 21.A hall floor is 60 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  22. 22.Divide ₹95 between Diya and Farhan in the ratio 2 : 3. How much does Diya get (in ₹)?
  23. 23.The ratio of boys to girls in a class is 5 : 9. There are 50 boys. How many girls are there?
  24. 24.1/9 + 9/10 =
  25. 25.What is the smallest number you must add to 782 so that it divides exactly by 9?
  26. 26.Find the LCM of 18 and 4.
  27. 27.How many factors does 31 have?
  28. 28.Which of these numbers divides exactly by 11? (a) 5780 (b) 8806 (c) 5575 (d) 7832
  29. 29.Which of these numbers divides exactly by 9? (a) 1143 (b) 2956 (c) 2875 (d) 1642
  30. 30.What is 3/10 of 20 kg?
  31. 31.Priya takes 36 seconds and Rohan 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?
  32. 32.16.8 ÷ 4 =
  33. 33.Which of these numbers divides exactly by 6? (a) 4801 (b) 4788 (c) 4828 (d) 1801
  34. 34.8 × (13 − 5) + 72 ÷ 8 =
  35. 35.The ratio of boys to girls in a class is 1 : 7. There are 2 boys. How many girls are there?
  36. 36.1/2 − 1/4 =
  37. 37.Find the HCF of 39 and 104.
  38. 38.Find the LCM of 8 and 20.
  39. 39.Round 34.34 to one decimal place. =
  40. 40.(11 + 13) × 4 − 7 =

Answer key

  1. 33
  2. 14
  3. 39
  4. 49
  5. 46
  6. 108
  7. 39
  8. 84
  9. 14
  10. 58
  11. 99.5
  12. 8
  13. 120
  14. 10.2
  15. 29.7
  16. 3608
  17. 58/55
  18. 45
  19. 60
  20. 88
  21. 6
  22. 38
  23. 90
  24. 91/90
  25. 1
  26. 36
  27. 2
  28. 7832
  29. 1143
  30. 6
  31. 720
  32. 4.2
  33. 4788
  34. 73
  35. 14
  36. 1/4
  37. 13
  38. 40
  39. 34.3
  40. 89

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