← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 950 · 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.What is the smallest number you must take away from 106 so that it divides exactly by 9?
  2. 2.Which is closest to 495 + 504 + 496? (a) 1600 (b) 1500 (c) 1700 (d) 1400
  3. 3.8 : 9 = 48 : ?
  4. 4.80% of a number is 220. What is the number?
  5. 5.10.8 ÷ 2 =
  6. 6.6.6 × 6 =
  7. 7.Which is closest to 2398 ÷ 41? (a) 30 (b) 120 (c) 600 (d) 60
  8. 8.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 3, 8 or 10.
  9. 9.Find the LCM of 8 and 20.
  10. 10.Which is closest to 202 × 20? (Round each number first.) (a) 40000 (b) 400 (c) 4000 (d) 8000
  11. 11.Find the LCM of 15, 2 and 7.
  12. 12.Which is closest to 697 × 68? (Round each number first.) (a) 4900 (b) 49000 (c) 98000 (d) 490000
  13. 13.How many factors does 47 have?
  14. 14.Find the third proportional to 5 and 10 (that is, 5 : 10 = 10 : ?).
  15. 15.Find the LCM of 15, 5 and 7.
  16. 16.(3 + 15) × 7 − 7 =
  17. 17.24 + 6 × 9 − 2 =
  18. 18.2.9 × 5 =
  19. 19.Divide ₹80 between Rohan and Nisha in the ratio 5 : 3. How much does Rohan get (in ₹)?
  20. 20.150% of a number is 516. What is the number?
  21. 21.Find the LCM of 7, 10 and 15.
  22. 22.Find the LCM of 4, 2 and 14.
  23. 23.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 5 or 3.
  24. 24.15% of a number is 51. What is the number?
  25. 25.Find the LCM of 14 and 10.
  26. 26.What is the smallest number you must add to 149 so that it divides exactly by 3?
  27. 27.The HCF of two numbers is 4 and their LCM is 72. One of the numbers is 36. What is the other number?
  28. 28.Two tanks hold 200 litres and 250 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  29. 29.Which of these numbers divides exactly by 9? (a) 3261 (b) 8117 (c) 7258 (d) 9585
  30. 30.4 × (16 − 7) + 32 ÷ 4 =
  31. 31.Write 3/10 as a percent.
  32. 32.Find the LCM of 2, 15 and 14.
  33. 33.Which is closest to 102 + 97 + 104? (a) 200 (b) 300 (c) 500 (d) 400
  34. 34.5/7 + 1/4 =
  35. 35.If 3 pencil boxes cost ₹117, how much do 4 pencil boxes cost (in ₹)?
  36. 36.What percent of 400 is 216?
  37. 37.14 ÷ 2 × 7 + 20 =
  38. 38.22 + 9 × 9 − 3 =
  39. 39.2.15 + 5.8 =
  40. 40.58 − 6 ÷ 3 × 9 =

Answer key

  1. 7
  2. 1500
  3. 54
  4. 275
  5. 5.4
  6. 39.6
  7. 60
  8. 122
  9. 40
  10. 4000
  11. 210
  12. 49000
  13. 2
  14. 20
  15. 105
  16. 119
  17. 76
  18. 14.5
  19. 50
  20. 344
  21. 210
  22. 28
  23. 32
  24. 340
  25. 70
  26. 1
  27. 8
  28. 50
  29. 9585
  30. 44
  31. 30
  32. 210
  33. 300
  34. 27/28
  35. 156
  36. 54
  37. 69
  38. 100
  39. 7.95
  40. 40

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