← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 925 · 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 of these numbers divides exactly by 11? (a) 1224 (b) 4888 (c) 1144 (d) 8546
  2. 2.Find the LCM of 14 and 16.
  3. 3.Find the HCF of 44 and 55.
  4. 4.If 3 kg of rice costs ₹66, how many kg can you buy for ₹132?
  5. 5.Find the HCF of 10 and 45.
  6. 6.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 9, 8 or 3.
  7. 7.Two tanks hold 210 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  8. 8.A car goes 70 km on 5 litres of petrol. How far can it go on 22 litres (in km)?
  9. 9.What percent of 400 is 380?
  10. 10.101 − 18 ÷ 2 × 9 =
  11. 11.Three temple bells ring every 8, 10 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.36 − 24 ÷ 8 × 8 =
  13. 13.What is 5% of 140?
  14. 14.What is the smallest number you must take away from 867 so that it divides exactly by 12?
  15. 15.(19 + 19) × 8 − 12 =
  16. 16.Tara scored 6 marks out of 40 in a test. What percentage did Tara score?
  17. 17.Aarav takes 90 seconds and Zoya takes 75 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?
  18. 18.4.32 + 6.4 =
  19. 19.How many factors does 46 have?
  20. 20.Find the LCM of 2, 6 and 7.
  21. 21.12 : 14 = 36 : ?
  22. 22.If 6 kg of rice costs ₹354, how many kg can you buy for ₹885?
  23. 23.Two tanks hold 250 litres and 300 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  24. 24.A hostel has enough food for 5 students for 22 days. How many days will the same food last for 2 students?
  25. 25.Which is closest to 607 ÷ 21? (a) 60 (b) 30 (c) 300 (d) 15
  26. 26.1/3 of 18 + 4 × 6 =
  27. 27.Write 24/25 as a percent.
  28. 28.A car goes 108 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
  29. 29.A car goes 99 km on 9 litres of petrol. How far can it go on 11 litres (in km)?
  30. 30.Find the third proportional to 4 and 12 (that is, 4 : 12 = 12 : ?).
  31. 31.What is 4/7 of ₹210?
  32. 32.Find the LCM of 14, 3 and 5.
  33. 33.Which is closest to 898 ÷ 31? (a) 15 (b) 30 (c) 300 (d) 60
  34. 34.Find the LCM of 20 and 36.
  35. 35.What is 6/7 of 49 kg?
  36. 36.18.4 ÷ 2 =
  37. 37.Two tanks hold 30 litres and 70 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  38. 38.Find the LCM of 9, 15 and 12.
  39. 39.Find the HCF of 63 and 72.
  40. 40.57 − 24 ÷ 8 × 7 =

Answer key

  1. 1144
  2. 112
  3. 11
  4. 6
  5. 5
  6. 73
  7. 30
  8. 308
  9. 95
  10. 20
  11. 40
  12. 12
  13. 7
  14. 3
  15. 292
  16. 15
  17. 450
  18. 10.72
  19. 4
  20. 42
  21. 42
  22. 15
  23. 50
  24. 55
  25. 30
  26. 30
  27. 96
  28. 99
  29. 121
  30. 36
  31. 120
  32. 210
  33. 30
  34. 180
  35. 42
  36. 9.2
  37. 10
  38. 180
  39. 9
  40. 36

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude