← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 968 · 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.Write 12/25 as a percent.
  2. 2.3 : 6 = 24 : ?
  3. 3.Which is closest to 604 × 28? (Round each number first.) (a) 180000 (b) 1800 (c) 18000 (d) 36000
  4. 4.50% of a number is 133. What is the number?
  5. 5.Which is closest to 2505 ÷ 49? (a) 100 (b) 500 (c) 25 (d) 50
  6. 6.What percent of 40 is 36?
  7. 7.How many factors does 100 have?
  8. 8.1.5 × 4 =
  9. 9.Diya scored 4 marks out of 50 in a test. What percentage did Diya score?
  10. 10.If 2 pencil boxes cost ₹12, how much do 17 pencil boxes cost (in ₹)?
  11. 11.5 : 14 = 45 : ?
  12. 12.52 − 16 ÷ 8 × 7 =
  13. 13.The ratio of boys to girls in a class is 5 : 8. There are 25 boys. How many girls are there?
  14. 14.Two tanks hold 30 litres and 20 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  15. 15.What is the smallest number you must add to 515 so that it divides exactly by 7?
  16. 16.17.1 ÷ 9 =
  17. 17.Round 59.78 to one decimal place. =
  18. 18.What is the smallest number you must take away from 669 so that it divides exactly by 6?
  19. 19.Three temple bells ring every 24, 8 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  20. 20.Find the HCF of 42 and 112.
  21. 21.The ratio of boys to girls in a class is 5 : 9. There are 35 boys. How many girls are there?
  22. 22.What percent of 50 is 26?
  23. 23.What is 40% of 5?
  24. 24.Round 91.74 to one decimal place. =
  25. 25.What percent of 80 is 24?
  26. 26.1/5 × 1/2 =
  27. 27.Three temple bells ring every 15, 6 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  28. 28.1/8 of 40 + 5 × 9 =
  29. 29.Find the HCF of 49 and 21.
  30. 30.Round 31564 to the nearest ten.
  31. 31.What is the smallest number you must add to 623 so that it divides exactly by 6?
  32. 32.Kavya takes 48 seconds and Ishaan takes 36 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. 33.44 ÷ 4 × 4 + 18 =
  34. 34.What is the smallest number you must take away from 789 so that it divides exactly by 13?
  35. 35.Find the HCF of 18 and 14.
  36. 36.Find the HCF of 28 and 20.
  37. 37.4/7 − 1/2 =
  38. 38.A hall floor is 125 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  39. 39.What is 1/7 of 42 litres?
  40. 40.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 12, 15 or 6.

Answer key

  1. 48
  2. 48
  3. 18000
  4. 266
  5. 50
  6. 90
  7. 9
  8. 6
  9. 8
  10. 102
  11. 126
  12. 38
  13. 40
  14. 10
  15. 3
  16. 1.9
  17. 59.8
  18. 3
  19. 120
  20. 14
  21. 63
  22. 52
  23. 2
  24. 91.7
  25. 30
  26. 1/10
  27. 30
  28. 50
  29. 7
  30. 31560
  31. 1
  32. 144
  33. 62
  34. 9
  35. 2
  36. 4
  37. 1/14
  38. 20
  39. 6
  40. 64

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