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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 319 · 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.Find the HCF of 96 and 36.
  2. 2.Find the HCF of 30 and 18.
  3. 3.21 − 6 ÷ 2 × 6 =
  4. 4.9.98 + 9.3 =
  5. 5.What is 5% of 420?
  6. 6.1/3 of 12 + 6 × 6 =
  7. 7.A hostel has enough food for 4 students for 5 days. How many days will the same food last for 2 students?
  8. 8.Round 51.16 to one decimal place. =
  9. 9.Find the HCF of 15 and 6.
  10. 10.What is 50% of 104?
  11. 11.What is 75% of 356?
  12. 12.Two tanks hold 10 litres and 15 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  13. 13.Find the HCF of 4 and 18.
  14. 14.84 ÷ 7 × 4 + 8 =
  15. 15.Two tanks hold 175 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  16. 16.What is 3/8 of ₹160?
  17. 17.The ratio of boys to girls in a class is 1 : 6. There are 5 boys. How many girls are there?
  18. 18.What is 1/8 of 160 kg?
  19. 19.Which is closest to 3994 ÷ 51? (a) 40 (b) 160 (c) 800 (d) 80
  20. 20.How many factors does 96 have?
  21. 21.Divide ₹81 between Aarav and Ishaan in the ratio 5 : 4. How much does Aarav get (in ₹)?
  22. 22.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 4, 15 or 9.
  23. 23.Round 39.26 to one decimal place. =
  24. 24.The ratio of boys to girls in a class is 3 : 7. There are 9 boys. How many girls are there?
  25. 25.If 9 kg of rice costs ₹306, how many kg can you buy for ₹204?
  26. 26.Which of these numbers divides exactly by 6? (a) 9018 (b) 4028 (c) 1375 (d) 8439
  27. 27.Two tanks hold 60 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  28. 28.Three temple bells ring every 9, 5 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  29. 29.What is 20% of 130?
  30. 30.What is the smallest number you must take away from 873 so that it divides exactly by 13?
  31. 31.A hall floor is 250 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  32. 32.Three temple bells ring every 4, 15 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  33. 33.1/5 + 10/11 =
  34. 34.37 + 10 × 9 − 26 =
  35. 35.1/6 + 1/4 =
  36. 36.Which is closest to 597 × 30? (Round each number first.) (a) 18000 (b) 36000 (c) 180000 (d) 1800
  37. 37.If 8 kg of rice costs ₹424, how many kg can you buy for ₹689?
  38. 38.Find the HCF of 12 and 54.
  39. 39.Find the LCM of 32 and 20.
  40. 40.Round 21.29 to one decimal place. =

Answer key

  1. 12
  2. 6
  3. 3
  4. 19.28
  5. 21
  6. 40
  7. 10
  8. 51.2
  9. 3
  10. 52
  11. 267
  12. 5
  13. 2
  14. 56
  15. 25
  16. 60
  17. 30
  18. 20
  19. 80
  20. 12
  21. 45
  22. 181
  23. 39.3
  24. 21
  25. 6
  26. 9018
  27. 10
  28. 90
  29. 26
  30. 2
  31. 10
  32. 120
  33. 61/55
  34. 101
  35. 5/12
  36. 18000
  37. 13
  38. 6
  39. 160
  40. 21.3

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