← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 247 · 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. 1.4/7 × 1/4 =
  2. 2.Two tanks hold 280 litres and 240 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  3. 3.1/6 − 1/10 =
  4. 4.If 9 mangoes cost ₹27, how much do 4 mangoes cost (in ₹)?
  5. 5.If 6 kg of rice costs ₹120, how many kg can you buy for ₹60?
  6. 6.How many factors does 50 have?
  7. 7.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 12, 8 or 9.
  8. 8.41 − 32 ÷ 8 × 8 =
  9. 9.How many factors does 46 have?
  10. 10.Two tanks hold 150 litres and 250 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  11. 11.Find the HCF of 126 and 28.
  12. 12.A car goes 120 km on 12 litres of petrol. How far can it go on 16 litres (in km)?
  13. 13.2 × (14 − 10) + 63 ÷ 9 =
  14. 14.A hall floor is 280 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  15. 15.A car goes 44 km on 4 litres of petrol. How far can it go on 35 litres (in km)?
  16. 16.What percent of 40 is 4?
  17. 17.Three temple bells ring every 4, 12 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.Three temple bells ring every 6, 12 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.What is 1/4 of 20 km?
  20. 20.A car goes 160 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
  21. 21.The HCF of two numbers is 2 and their LCM is 42. One of the numbers is 14. What is the other number?
  22. 22.Which is closest to 2702 ÷ 29? (a) 900 (b) 45 (c) 180 (d) 90
  23. 23.46 + 2 × 11 − 36 =
  24. 24.The ratio of boys to girls in a class is 2 : 3. There are 8 boys. How many girls are there?
  25. 25.What is the smallest number you must take away from 883 so that it divides exactly by 9?
  26. 26.Round 90.59 to one decimal place. =
  27. 27.Which is closest to 805 + 296 + 702? (a) 1900 (b) 1700 (c) 1800 (d) 2000
  28. 28.Which of these numbers divides exactly by 3? (a) 1848 (b) 5524 (c) 1346 (d) 8278
  29. 29.If 8 kg of rice costs ₹160, how many kg can you buy for ₹60?
  30. 30.Find the LCM of 10, 8 and 12.
  31. 31.Round 87701 to the nearest ten.
  32. 32.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 6, 3 or 15.
  33. 33.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 5, 4 or 10.
  34. 34.Write 3/10 as a percent.
  35. 35.23 + 4 × 2 − 17 =
  36. 36.Which is closest to 501 × 62? (Round each number first.) (a) 60000 (b) 300000 (c) 3000 (d) 30000
  37. 37.A car goes 165 km on 11 litres of petrol. How far can it go on 39 litres (in km)?
  38. 38.Which is closest to 302 × 42? (Round each number first.) (a) 1200 (b) 24000 (c) 120000 (d) 12000
  39. 39.What is 60% of 425?
  40. 40.Find the HCF of 28 and 36.

Answer key

  1. 1/7
  2. 40
  3. 1/15
  4. 12
  5. 3
  6. 6
  7. 73
  8. 9
  9. 4
  10. 50
  11. 14
  12. 160
  13. 15
  14. 14
  15. 385
  16. 10
  17. 60
  18. 60
  19. 5
  20. 464
  21. 6
  22. 90
  23. 32
  24. 12
  25. 1
  26. 90.6
  27. 1800
  28. 1848
  29. 3
  30. 120
  31. 87700
  32. 32
  33. 22
  34. 30
  35. 14
  36. 30000
  37. 585
  38. 12000
  39. 255
  40. 4

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