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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 424 · 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. 1.28 + 7 × 4 − 17 =
  2. 2.2.5 × 2 =
  3. 3.What percent of 200 is 56?
  4. 4.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 8, 12 or 4.
  5. 5.Which of these numbers divides exactly by 8? (a) 2179 (b) 9379 (c) 2719 (d) 9496
  6. 6.2/3 of 27 + 3 × 7 =
  7. 7.9 : 5 = 45 : ?
  8. 8.Which of these numbers divides exactly by 9? (a) 8754 (b) 2835 (c) 7428 (d) 3605
  9. 9.6.66 + 8.7 =
  10. 10.8 : 3 = 24 : ?
  11. 11.Two tanks hold 160 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  12. 12.How many factors does 31 have?
  13. 13.12 painters can paint a school in 5 days. How many days would 2 painters take, working at the same speed?
  14. 14.Two tanks hold 35 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  15. 15.3 : 4 = 18 : ?
  16. 16.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 4, 10 or 9.
  17. 17.What is 1/2 of 42 students?
  18. 18.Three temple bells ring every 24, 8 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.Two tanks hold 100 litres and 450 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.What is 40% of 60?
  21. 21.7.1 × 5 =
  22. 22.3 : 8 = 12 : ?
  23. 23.Ishaan takes 54 seconds and Pooja takes 36 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?
  24. 24.Find the HCF of 81 and 72.
  25. 25.Which is closest to 2092 ÷ 29? (a) 700 (b) 35 (c) 140 (d) 70
  26. 26.What is the smallest number you must take away from 522 so that it divides exactly by 4?
  27. 27.8 : 13 = 24 : ?
  28. 28.Priya takes 48 seconds and Dev takes 40 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?
  29. 29.74 − 20 ÷ 4 × 8 =
  30. 30.Divide ₹572 between Aditya and Meera in the ratio 3 : 8. How much does Meera get (in ₹)?
  31. 31.Three temple bells ring every 9, 18 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.Which is closest to 896 + 301 + 302? (a) 1400 (b) 1500 (c) 1700 (d) 1600
  33. 33.Ananya takes 36 seconds and Ishaan takes 40 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?
  34. 34.2/3 − 3/9 =
  35. 35.12 ÷ 3 × 7 + 30 =
  36. 36.How many factors does 15 have?
  37. 37.Divide ₹533 between Isha and Aarav in the ratio 6 : 7. How much does Aarav get (in ₹)?
  38. 38.A hall floor is 350 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  39. 39.Find the LCM of 2, 11 and 6.
  40. 40.1/2 of 8 + 8 × 9 =

Answer key

  1. 39
  2. 5
  3. 28
  4. 27
  5. 9496
  6. 39
  7. 25
  8. 2835
  9. 15.36
  10. 9
  11. 40
  12. 2
  13. 30
  14. 5
  15. 24
  16. 181
  17. 21
  18. 120
  19. 50
  20. 24
  21. 35.5
  22. 32
  23. 108
  24. 9
  25. 70
  26. 2
  27. 39
  28. 240
  29. 34
  30. 416
  31. 36
  32. 1500
  33. 360
  34. 1/3
  35. 58
  36. 4
  37. 287
  38. 42
  39. 66
  40. 76

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