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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 25 · 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 4 and 6.
  2. 2.25% of a number is 63. What is the number?
  3. 3.Find the HCF of 21 and 9.
  4. 4.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 15, 3 or 6.
  5. 5.Round 11406 to the nearest ten.
  6. 6.30 + 6 × 7 − 8 =
  7. 7.Two tanks hold 200 litres and 75 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  8. 8.Divide ₹196 between Aarav and Meera in the ratio 4 : 3. How much does Aarav get (in ₹)?
  9. 9.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 6 or 3.
  10. 10.The ratio of boys to girls in a class is 3 : 1. There are 6 boys. How many girls are there?
  11. 11.Find the HCF of 60 and 24.
  12. 12.Which is closest to 605 ÷ 21? (a) 15 (b) 30 (c) 60 (d) 300
  13. 13.A car goes 60 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
  14. 14.6.2 × 6 =
  15. 15.40% of a number is 134. What is the number?
  16. 16.A hall floor is 175 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.How many factors does 38 have?
  18. 18.Find the third proportional to 8 and 40 (that is, 8 : 40 = 40 : ?).
  19. 19.Which of these numbers divides exactly by 8? (a) 5356 (b) 5979 (c) 8328 (d) 1375
  20. 20.(16 + 2) × 6 − 2 =
  21. 21.5/7 of 28 + 8 × 6 =
  22. 22.Round 50693 to the nearest thousand.
  23. 23.Divide ₹42 between Arjun and Saanvi in the ratio 2 : 5. How much does Saanvi get (in ₹)?
  24. 24.Meera takes 40 seconds and Vivaan 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?
  25. 25.A car goes 99 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
  26. 26.9.18 + 1.3 =
  27. 27.5/9 of 108 + 7 × 6 =
  28. 28.Write 1/2 as a percent.
  29. 29.How many factors does 100 have?
  30. 30.4.89 + 7.6 =
  31. 31.Find the HCF of 36 and 28.
  32. 32.Zoya takes 30 seconds and Isha takes 50 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?
  33. 33.11 : 12 = 33 : ?
  34. 34.Which of these numbers divides exactly by 9? (a) 1791 (b) 5433 (c) 2816 (d) 2697
  35. 35.48 ÷ 5 =
  36. 36.If 4 kg of rice costs ₹144, how many kg can you buy for ₹180?
  37. 37.Find the LCM of 10 and 4.
  38. 38.10% of a number is 5. What is the number?
  39. 39.Three temple bells ring every 6, 18 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  40. 40.Divide ₹369 between Arjun and Sneha in the ratio 1 : 8. How much does Sneha get (in ₹)?

Answer key

  1. 2
  2. 252
  3. 3
  4. 32
  5. 11410
  6. 64
  7. 25
  8. 112
  9. 32
  10. 2
  11. 12
  12. 30
  13. 570
  14. 37.2
  15. 335
  16. 35
  17. 4
  18. 200
  19. 8328
  20. 106
  21. 68
  22. 51000
  23. 30
  24. 240
  25. 297
  26. 10.48
  27. 102
  28. 50
  29. 9
  30. 12.49
  31. 4
  32. 150
  33. 36
  34. 1791
  35. 9.6
  36. 5
  37. 20
  38. 50
  39. 36
  40. 328

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