← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 364 · 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.A hall floor is 400 cm long and 250 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  2. 2.1/6 × 3/7 =
  3. 3.75% of a number is 444. What is the number?
  4. 4.1.01 + 8.6 =
  5. 5.Find the HCF of 42 and 112.
  6. 6.How many factors does 34 have?
  7. 7.20 − 14 ÷ 7 × 2 =
  8. 8.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  9. 9.If 4 kg of rice costs ₹236, how many kg can you buy for ₹531?
  10. 10.Find the LCM of 5, 2 and 15.
  11. 11.How many factors does 42 have?
  12. 12.2 : 3 = 12 : ?
  13. 13.If 8 kg of rice costs ₹208, how many kg can you buy for ₹52?
  14. 14.Which is closest to 299 + 496 + 795? (a) 1600 (b) 1700 (c) 1500 (d) 1800
  15. 15.Round 24951 to the nearest ten.
  16. 16.What is the smallest number you must take away from 767 so that it divides exactly by 4?
  17. 17.Round 97.44 to one decimal place. =
  18. 18.The HCF of two numbers is 5 and their LCM is 140. One of the numbers is 20. What is the other number?
  19. 19.55 ÷ 5 × 4 + 26 =
  20. 20.2/3 of 18 + 7 × 2 =
  21. 21.4/7 of 35 + 6 × 9 =
  22. 22.What is 7/9 of 243 students?
  23. 23.Three temple bells ring every 5, 24 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.What is 10% of 330?
  25. 25.Find the HCF of 24 and 42.
  26. 26.What percent of 20 is 16?
  27. 27.Round 95.37 to one decimal place. =
  28. 28.Find the LCM of 10 and 25.
  29. 29.Which of these numbers divides exactly by 8? (a) 8047 (b) 5944 (c) 5734 (d) 5325
  30. 30.Round 88.69 to one decimal place. =
  31. 31.Which is closest to 902 + 195 + 601? (a) 1900 (b) 1600 (c) 1700 (d) 1800
  32. 32.Three temple bells ring every 5, 10 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  33. 33.How many factors does 63 have?
  34. 34.What is the smallest number you must take away from 570 so that it divides exactly by 7?
  35. 35.63 − 12 ÷ 3 × 6 =
  36. 36.The HCF of two numbers is 2 and their LCM is 12. One of the numbers is 6. What is the other number?
  37. 37.9 : 6 = 45 : ?
  38. 38.Saanvi scored 38 marks out of 40 in a test. What percentage did Saanvi score?
  39. 39.Find the third proportional to 8 and 24 (that is, 8 : 24 = 24 : ?).
  40. 40.1/4 × 7/11 =

Answer key

  1. 40
  2. 1/14
  3. 592
  4. 9.61
  5. 14
  6. 4
  7. 16
  8. 63
  9. 9
  10. 30
  11. 8
  12. 18
  13. 2
  14. 1600
  15. 24950
  16. 3
  17. 97.4
  18. 35
  19. 70
  20. 26
  21. 74
  22. 189
  23. 120
  24. 33
  25. 6
  26. 80
  27. 95.4
  28. 50
  29. 5944
  30. 88.7
  31. 1700
  32. 60
  33. 6
  34. 3
  35. 39
  36. 4
  37. 30
  38. 95
  39. 72
  40. 7/44

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