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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 664 · 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.Write 3/4 as a percent.
  2. 2.Which of these numbers divides exactly by 8? (a) 4376 (b) 4958 (c) 4243 (d) 2222
  3. 3.A car goes 231 km on 11 litres of petrol. How far can it go on 9 litres (in km)?
  4. 4.Find the LCM of 8, 5 and 12.
  5. 5.A hall floor is 175 cm long and 50 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  6. 6.How many factors does 26 have?
  7. 7.3.7 × 5 =
  8. 8.What is the smallest number you must take away from 486 so that it divides exactly by 4?
  9. 9.Divide ₹594 between Aarav and Ananya in the ratio 9 : 2. How much does Ananya get (in ₹)?
  10. 10.The ratio of boys to girls in a class is 5 : 1. There are 50 boys. How many girls are there?
  11. 11.What is the smallest number you must take away from 205 so that it divides exactly by 9?
  12. 12.What is 12% of 500?
  13. 13.What is the smallest number you must take away from 983 so that it divides exactly by 3?
  14. 14.9 painters can paint a school in 14 days. How many days would 7 painters take, working at the same speed?
  15. 15.(11 + 13) × 9 − 13 =
  16. 16.Two tanks hold 40 litres and 140 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  17. 17.What is the smallest number you must take away from 298 so that it divides exactly by 13?
  18. 18.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 15, 4 or 8.
  19. 19.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 2 students?
  20. 20.The ratio of boys to girls in a class is 3 : 2. There are 21 boys. How many girls are there?
  21. 21.Find the LCM of 5, 15 and 6.
  22. 22.(11 + 15) × 6 − 11 =
  23. 23.5 : 7 = 25 : ?
  24. 24.2 : 5 = 18 : ?
  25. 25.If 5 kg of rice costs ₹400, how many kg can you buy for ₹160?
  26. 26.Which is closest to 2495 ÷ 51? (a) 25 (b) 50 (c) 500 (d) 100
  27. 27.What percent of 200 is 104?
  28. 28.Find the LCM of 12 and 42.
  29. 29.A hall floor is 100 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  30. 30.Which is closest to 704 + 900 + 305? (a) 1900 (b) 1800 (c) 2100 (d) 2000
  31. 31.What percent of 40 is 8?
  32. 32.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 4, 15 or 9.
  33. 33.50 − 6 ÷ 3 × 6 =
  34. 34.What is 2/3 of 81 km?
  35. 35.What is 80% of 135?
  36. 36.8.5 ÷ 5 =
  37. 37.4 : 13 = 16 : ?
  38. 38.8 × (20 − 4) + 36 ÷ 3 =
  39. 39.Which is closest to 3596 ÷ 41? (a) 180 (b) 90 (c) 900 (d) 45
  40. 40.1/2 × 1/3 =

Answer key

  1. 75
  2. 4376
  3. 189
  4. 120
  5. 14
  6. 4
  7. 18.5
  8. 2
  9. 108
  10. 10
  11. 7
  12. 60
  13. 2
  14. 18
  15. 203
  16. 20
  17. 12
  18. 122
  19. 22
  20. 14
  21. 30
  22. 145
  23. 35
  24. 45
  25. 2
  26. 50
  27. 52
  28. 84
  29. 15
  30. 1900
  31. 20
  32. 181
  33. 38
  34. 54
  35. 108
  36. 1.7
  37. 52
  38. 140
  39. 90
  40. 1/6

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