← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 549 · 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.Round 6069 to the nearest hundred.
  2. 2.5% of a number is 23. What is the number?
  3. 3.Aditya takes 54 seconds and Aarav takes 45 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?
  4. 4.Find the LCM of 35 and 45.
  5. 5.8.1 × 7 =
  6. 6.19 + 9 × 5 − 1 =
  7. 7.Round 14221 to the nearest thousand.
  8. 8.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 4, 9 or 12.
  9. 9.2/7 of 28 + 4 × 5 =
  10. 10.Ananya scored 56 marks out of 80 in a test. What percentage did Ananya score?
  11. 11.A hall floor is 350 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  12. 12.What is the smallest number you must add to 918 so that it divides exactly by 12?
  13. 13.Write 31/50 as a percent.
  14. 14.Which is closest to 200 × 79? (Round each number first.) (a) 32000 (b) 160000 (c) 16000 (d) 1600
  15. 15.How many factors does 100 have?
  16. 16.Which of these numbers divides exactly by 8? (a) 1269 (b) 2573 (c) 4104 (d) 3237
  17. 17.Which is closest to 704 × 42? (Round each number first.) (a) 2800 (b) 56000 (c) 280000 (d) 28000
  18. 18.93 − 30 ÷ 5 × 9 =
  19. 19.A car goes 96 km on 6 litres of petrol. How far can it go on 9 litres (in km)?
  20. 20.50 ÷ 5 × 4 + 1 =
  21. 21.The HCF of two numbers is 6 and their LCM is 84. One of the numbers is 42. What is the other number?
  22. 22.Two tanks hold 80 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  23. 23.Round 51872 to the nearest hundred.
  24. 24.What is 50% of 548?
  25. 25.Which is closest to 609 ÷ 29? (a) 20 (b) 10 (c) 200 (d) 40
  26. 26.If 9 kg of rice costs ₹558, how many kg can you buy for ₹434?
  27. 27.Round 17585 to the nearest thousand.
  28. 28.How many factors does 64 have?
  29. 29.The HCF of two numbers is 5 and their LCM is 225. One of the numbers is 45. What is the other number?
  30. 30.6.9 × 4 =
  31. 31.Nisha scored 8 marks out of 40 in a test. What percentage did Nisha score?
  32. 32.How many factors does 61 have?
  33. 33.Which is closest to 603 ÷ 19? (a) 30 (b) 15 (c) 300 (d) 60
  34. 34.2/5 of 40 + 6 × 6 =
  35. 35.90 ÷ 9 × 4 + 29 =
  36. 36.Three temple bells ring every 30, 5 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  37. 37.What percent of 25 is 9?
  38. 38.Round 10.41 to one decimal place. =
  39. 39.What percent of 80 is 52?
  40. 40.Round 59.72 to one decimal place. =

Answer key

  1. 6100
  2. 460
  3. 270
  4. 315
  5. 56.7
  6. 63
  7. 14000
  8. 38
  9. 28
  10. 70
  11. 21
  12. 6
  13. 62
  14. 16000
  15. 9
  16. 4104
  17. 28000
  18. 39
  19. 144
  20. 41
  21. 12
  22. 20
  23. 51900
  24. 274
  25. 20
  26. 7
  27. 18000
  28. 7
  29. 25
  30. 27.6
  31. 20
  32. 2
  33. 30
  34. 52
  35. 69
  36. 120
  37. 36
  38. 10.4
  39. 65
  40. 59.7

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