← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 415 · 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. 1.1/2 of 6 + 2 × 5 =
  2. 2.6.1 × 9 =
  3. 3.30% of a number is 93. What is the number?
  4. 4.Which is closest to 1500 ÷ 49? (a) 30 (b) 15 (c) 60 (d) 300
  5. 5.The ratio of boys to girls in a class is 7 : 5. There are 35 boys. How many girls are there?
  6. 6.A hall floor is 350 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  7. 7.45 − 24 ÷ 4 × 5 =
  8. 8.How many factors does 30 have?
  9. 9.How many factors does 18 have?
  10. 10.Round 5563 to the nearest ten.
  11. 11.Round 33.22 to one decimal place. =
  12. 12.Write 4/5 as a percent.
  13. 13.Divide ₹195 between Nisha and Ananya in the ratio 8 : 7. How much does Nisha get (in ₹)?
  14. 14.2 × (27 − 24) + 15 ÷ 3 =
  15. 15.Find the HCF of 112 and 70.
  16. 16.6/10 + 1/2 =
  17. 17.(3 + 2) × 2 − 3 =
  18. 18.9 : 14 = 27 : ?
  19. 19.What is the smallest number you must take away from 734 so that it divides exactly by 13?
  20. 20.Find the LCM of 27 and 12.
  21. 21.Which of these numbers divides exactly by 4? (a) 8475 (b) 2132 (c) 5625 (d) 6434
  22. 22.Which is closest to 3193 ÷ 41? (a) 800 (b) 40 (c) 160 (d) 80
  23. 23.Find the LCM of 28 and 24.
  24. 24.Which is closest to 896 × 91? (Round each number first.) (a) 81000 (b) 162000 (c) 810000 (d) 8100
  25. 25.45 − 12 ÷ 2 × 5 =
  26. 26.Round 39376 to the nearest hundred.
  27. 27.Nisha scored 13 marks out of 20 in a test. What percentage did Nisha score?
  28. 28.Find the LCM of 30 and 48.
  29. 29.13.2 ÷ 2 =
  30. 30.The ratio of boys to girls in a class is 1 : 8. There are 7 boys. How many girls are there?
  31. 31.Round 90833 to the nearest hundred.
  32. 32.Which of these numbers divides exactly by 4? (a) 7090 (b) 2552 (c) 3343 (d) 9479
  33. 33.Divide ₹351 between Ishaan and Saanvi in the ratio 1 : 8. How much does Saanvi get (in ₹)?
  34. 34.Find the HCF of 9 and 15.
  35. 35.4 : 14 = 8 : ?
  36. 36.What is the smallest number you must take away from 461 so that it divides exactly by 4?
  37. 37.Write 1/4 as a percent.
  38. 38.The ratio of boys to girls in a class is 6 : 5. There are 30 boys. How many girls are there?
  39. 39.How many factors does 78 have?
  40. 40.The HCF of two numbers is 4 and their LCM is 224. One of the numbers is 32. What is the other number?

Answer key

  1. 13
  2. 54.9
  3. 310
  4. 30
  5. 25
  6. 42
  7. 15
  8. 8
  9. 6
  10. 5560
  11. 33.2
  12. 80
  13. 104
  14. 11
  15. 14
  16. 11/10
  17. 7
  18. 42
  19. 6
  20. 108
  21. 2132
  22. 80
  23. 168
  24. 81000
  25. 15
  26. 39400
  27. 65
  28. 240
  29. 6.6
  30. 56
  31. 90800
  32. 2552
  33. 312
  34. 3
  35. 28
  36. 1
  37. 25
  38. 25
  39. 8
  40. 28

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