← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 661 · 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 30% of 310?
  2. 2.Which is closest to 3194 ÷ 39? (a) 160 (b) 800 (c) 80 (d) 40
  3. 3.Which of these numbers divides exactly by 6? (a) 4087 (b) 9131 (c) 2859 (d) 1584
  4. 4.2/10 + 2/5 =
  5. 5.8.7 × 6 =
  6. 6.The ratio of boys to girls in a class is 7 : 2. There are 14 boys. How many girls are there?
  7. 7.18 ÷ 3 × 9 + 25 =
  8. 8.4 × (16 − 15) + 16 ÷ 4 =
  9. 9.Two tanks hold 20 litres and 15 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  10. 10.Divide ₹310 between Dev and Rahul in the ratio 7 : 3. How much does Dev get (in ₹)?
  11. 11.Which is closest to 201 × 28? (Round each number first.) (a) 60000 (b) 12000 (c) 6000 (d) 600
  12. 12.How many factors does 21 have?
  13. 13.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 3, 15 or 6.
  14. 14.The ratio of boys to girls in a class is 8 : 7. There are 80 boys. How many girls are there?
  15. 15.Which is closest to 1505 ÷ 49? (a) 300 (b) 60 (c) 15 (d) 30
  16. 16.Find the HCF of 105 and 30.
  17. 17.What percent of 20 is 7?
  18. 18.Two tanks hold 75 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  19. 19.(17 + 2) × 4 − 16 =
  20. 20.How many factors does 15 have?
  21. 21.35 ÷ 5 × 7 + 2 =
  22. 22.Which is closest to 305 + 505 + 596? (a) 1600 (b) 1400 (c) 1300 (d) 1500
  23. 23.How many factors does 37 have?
  24. 24.The ratio of boys to girls in a class is 9 : 4. There are 72 boys. How many girls are there?
  25. 25.What is 120% of 240?
  26. 26.Which of these numbers divides exactly by 6? (a) 4452 (b) 5859 (c) 1690 (d) 5080
  27. 27.Find the smallest number bigger than 15 that leaves a remainder of 5 when divided by 8, 15 or 6.
  28. 28.What is 20% of 180?
  29. 29.Which is closest to 3604 ÷ 39? (a) 45 (b) 900 (c) 180 (d) 90
  30. 30.How many factors does 16 have?
  31. 31.A car goes 250 km on 10 litres of petrol. How far can it go on 11 litres (in km)?
  32. 32.2/3 + 1/2 =
  33. 33.Which is closest to 505 + 798 + 405? (a) 1800 (b) 1600 (c) 1900 (d) 1700
  34. 34.15.5 ÷ 5 =
  35. 35.Find the LCM of 15 and 21.
  36. 36.9/11 × 3/10 =
  37. 37.If 8 pens cost ₹248, how much do 7 pens cost (in ₹)?
  38. 38.What is the smallest number you must take away from 304 so that it divides exactly by 9?
  39. 39.(4 + 16) × 3 − 18 =
  40. 40.Find the LCM of 6, 15 and 4.

Answer key

  1. 93
  2. 80
  3. 1584
  4. 3/5
  5. 52.2
  6. 4
  7. 79
  8. 8
  9. 5
  10. 217
  11. 6000
  12. 4
  13. 32
  14. 70
  15. 30
  16. 15
  17. 35
  18. 15
  19. 60
  20. 4
  21. 51
  22. 1400
  23. 2
  24. 32
  25. 288
  26. 4452
  27. 125
  28. 36
  29. 90
  30. 5
  31. 275
  32. 7/6
  33. 1700
  34. 3.1
  35. 105
  36. 27/110
  37. 217
  38. 7
  39. 42
  40. 60

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