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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 512 · 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 is closest to 1498 ÷ 31? (a) 50 (b) 500 (c) 100 (d) 25
  2. 2.5/10 × 2/3 =
  3. 3.5 : 3 = 40 : ?
  4. 4.If 8 kg of rice costs ₹552, how many kg can you buy for ₹207?
  5. 5.Which of these numbers divides exactly by 11? (a) 8554 (b) 2063 (c) 1751 (d) 2959
  6. 6.Round 78437 to the nearest thousand.
  7. 7.55 − 16 ÷ 4 × 5 =
  8. 8.What is 25% of 248?
  9. 9.A hall floor is 125 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  10. 10.Round 39.21 to one decimal place. =
  11. 11.What is 2/5 of ₹35?
  12. 12.If 10 notebooks cost ₹400, how much do 5 notebooks cost (in ₹)?
  13. 13.What is 3/5 of 125 kg?
  14. 14.Find the LCM of 6, 12 and 7.
  15. 15.Two tanks hold 135 litres and 75 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  16. 16.Which is closest to 2805 ÷ 41? (a) 35 (b) 700 (c) 140 (d) 70
  17. 17.4 : 12 = 20 : ?
  18. 18.If 10 notebooks cost ₹560, how much do 15 notebooks cost (in ₹)?
  19. 19.Find the third proportional to 5 and 10 (that is, 5 : 10 = 10 : ?).
  20. 20.Sneha takes 45 seconds and Kavya takes 48 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?
  21. 21.Round 21.88 to one decimal place. =
  22. 22.Which is closest to 1493 ÷ 29? (a) 500 (b) 25 (c) 50 (d) 100
  23. 23.What is 5% of 500?
  24. 24.What is the smallest number you must take away from 136 so that it divides exactly by 11?
  25. 25.50 − 15 ÷ 3 × 9 =
  26. 26.If 3 kg of rice costs ₹228, how many kg can you buy for ₹1064?
  27. 27.What is 50% of 398?
  28. 28.Which is closest to 204 + 296 + 895? (a) 1500 (b) 1600 (c) 1400 (d) 1300
  29. 29.Find the LCM of 27 and 6.
  30. 30.Write 19/25 as a percent.
  31. 31.8.4 × 3 =
  32. 32.60% of a number is 183. What is the number?
  33. 33.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 12, 9 or 8.
  34. 34.Find the HCF of 16 and 14.
  35. 35.A hall floor is 120 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  36. 36.2 × (13 − 4) + 40 ÷ 4 =
  37. 37.Two tanks hold 200 litres and 160 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  38. 38.7/8 + 5/10 =
  39. 39.Find the LCM of 45 and 35.
  40. 40.Write 9/20 as a percent.

Answer key

  1. 50
  2. 1/3
  3. 24
  4. 3
  5. 2959
  6. 78000
  7. 35
  8. 62
  9. 15
  10. 39.2
  11. 14
  12. 200
  13. 75
  14. 84
  15. 15
  16. 70
  17. 60
  18. 840
  19. 20
  20. 720
  21. 21.9
  22. 50
  23. 25
  24. 4
  25. 5
  26. 14
  27. 199
  28. 1400
  29. 54
  30. 76
  31. 25.2
  32. 305
  33. 73
  34. 2
  35. 6
  36. 28
  37. 40
  38. 11/8
  39. 315
  40. 45

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