← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 281 · 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 1/2 of 34 km?
  2. 2.Which of these numbers divides exactly by 6? (a) 6834 (b) 1485 (c) 1095 (d) 6412
  3. 3.How many factors does 97 have?
  4. 4.A car goes 147 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
  5. 5.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  6. 6.If 7 kites cost ₹308, how much do 16 kites cost (in ₹)?
  7. 7.What is the smallest number you must add to 185 so that it divides exactly by 13?
  8. 8.2/4 × 3/8 =
  9. 9.53 − 72 ÷ 8 × 5 =
  10. 10.5% of a number is 8. What is the number?
  11. 11.If 12 bottles of juice cost ₹120, how much do 15 bottles of juice cost (in ₹)?
  12. 12.How many factors does 21 have?
  13. 13.If 5 kg of rice costs ₹415, how many kg can you buy for ₹1079?
  14. 14.How many factors does 89 have?
  15. 15.Which is closest to 597 × 49? (Round each number first.) (a) 3000 (b) 300000 (c) 30000 (d) 60000
  16. 16.A hall floor is 160 cm long and 140 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.What is the smallest number you must add to 599 so that it divides exactly by 13?
  18. 18.Which is closest to 300 × 62? (Round each number first.) (a) 180000 (b) 36000 (c) 18000 (d) 1800
  19. 19.Find the third proportional to 9 and 45 (that is, 9 : 45 = 45 : ?).
  20. 20.Find the LCM of 16 and 20.
  21. 21.If 10 bottles of juice cost ₹460, how much do 7 bottles of juice cost (in ₹)?
  22. 22.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 10, 15 or 6.
  23. 23.What is 15% of 480?
  24. 24.A car goes 66 km on 3 litres of petrol. How far can it go on 38 litres (in km)?
  25. 25.36 + 2 × 6 − 23 =
  26. 26.5 : 3 = 35 : ?
  27. 27.The ratio of boys to girls in a class is 7 : 5. There are 14 boys. How many girls are there?
  28. 28.Which is closest to 1801 ÷ 31? (a) 600 (b) 60 (c) 120 (d) 30
  29. 29.120% of a number is 498. What is the number?
  30. 30.How many factors does 73 have?
  31. 31.Three temple bells ring every 4, 5 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.Find the LCM of 14, 2 and 12.
  33. 33.Two tanks hold 25 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  34. 34.What percent of 25 is 5?
  35. 35.Divide ₹288 between Isha and Kabir in the ratio 1 : 7. How much does Isha get (in ₹)?
  36. 36.Find the LCM of 12, 4 and 14.
  37. 37.Find the HCF of 60 and 96.
  38. 38.Which is closest to 604 × 22? (Round each number first.) (a) 1200 (b) 12000 (c) 120000 (d) 24000
  39. 39.Which is closest to 796 + 197 + 600? (a) 1700 (b) 1500 (c) 1800 (d) 1600
  40. 40.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 5, 9 or 3.

Answer key

  1. 17
  2. 6834
  3. 2
  4. 714
  5. 18
  6. 704
  7. 10
  8. 3/16
  9. 8
  10. 160
  11. 150
  12. 4
  13. 13
  14. 2
  15. 30000
  16. 56
  17. 12
  18. 18000
  19. 225
  20. 80
  21. 322
  22. 32
  23. 72
  24. 836
  25. 25
  26. 21
  27. 10
  28. 60
  29. 415
  30. 2
  31. 20
  32. 84
  33. 5
  34. 20
  35. 36
  36. 84
  37. 12
  38. 12000
  39. 1600
  40. 47

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