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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 945 · 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.If 8 kg of rice costs ₹264, how many kg can you buy for ₹66?
  2. 2.4/7 of 28 + 9 × 4 =
  3. 3.Find the HCF of 24 and 21.
  4. 4.What percent of 250 is 125?
  5. 5.Find the LCM of 3, 7 and 10.
  6. 6.30 + 10 × 6 − 16 =
  7. 7.A car goes 69 km on 3 litres of petrol. How far can it go on 29 litres (in km)?
  8. 8.What is 30% of 370?
  9. 9.26 + 3 × 6 − 1 =
  10. 10.(6 + 14) × 7 − 1 =
  11. 11.Which is closest to 298 + 795 + 399? (a) 1400 (b) 1600 (c) 1700 (d) 1500
  12. 12.7 : 9 = 49 : ?
  13. 13.Which is closest to 395 + 300 + 696? (a) 1300 (b) 1500 (c) 1600 (d) 1400
  14. 14.The HCF of two numbers is 4 and their LCM is 180. One of the numbers is 36. What is the other number?
  15. 15.A hall floor is 210 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.What is 5% of 360?
  17. 17.Which of these numbers divides exactly by 11? (a) 1178 (b) 2860 (c) 8585 (d) 4188
  18. 18.What is the smallest number you must take away from 681 so that it divides exactly by 8?
  19. 19.The HCF of two numbers is 3 and their LCM is 72. One of the numbers is 9. What is the other number?
  20. 20.Divide ₹533 between Zoya and Saanvi in the ratio 8 : 5. How much does Saanvi get (in ₹)?
  21. 21.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 10, 8 or 4.
  22. 22.What is 50% of 152?
  23. 23.13 + 8 × 5 − 4 =
  24. 24.Find the third proportional to 2 and 10 (that is, 2 : 10 = 10 : ?).
  25. 25.7.38 + 8.6 =
  26. 26.Which is closest to 496 × 21? (Round each number first.) (a) 1000 (b) 10000 (c) 100000 (d) 20000
  27. 27.The ratio of boys to girls in a class is 1 : 6. There are 3 boys. How many girls are there?
  28. 28.If 6 kg of rice costs ₹384, how many kg can you buy for ₹512?
  29. 29.Write 22/25 as a percent.
  30. 30.(8 + 5) × 3 − 16 =
  31. 31.Round 55.19 to one decimal place. =
  32. 32.Round 12854 to the nearest ten.
  33. 33.What percent of 500 is 125?
  34. 34.How many factors does 87 have?
  35. 35.What is the smallest number you must take away from 404 so that it divides exactly by 3?
  36. 36.Two tanks hold 225 litres and 200 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  37. 37.1/3 × 6/8 =
  38. 38.Three temple bells ring every 10, 24 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.Which is closest to 901 × 90? (Round each number first.) (a) 8100 (b) 162000 (c) 810000 (d) 81000
  40. 40.40 + 7 × 2 − 22 =

Answer key

  1. 2
  2. 52
  3. 3
  4. 50
  5. 210
  6. 74
  7. 667
  8. 111
  9. 43
  10. 139
  11. 1500
  12. 63
  13. 1400
  14. 20
  15. 21
  16. 18
  17. 2860
  18. 1
  19. 24
  20. 205
  21. 43
  22. 76
  23. 49
  24. 50
  25. 15.98
  26. 10000
  27. 18
  28. 8
  29. 88
  30. 23
  31. 55.2
  32. 12850
  33. 25
  34. 4
  35. 2
  36. 25
  37. 1/4
  38. 120
  39. 81000
  40. 32

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