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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 733 · 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. 1.5 × (16 − 14) + 4 ÷ 2 =
  2. 2.Which is closest to 596 + 202 + 499? (a) 1500 (b) 1200 (c) 1300 (d) 1400
  3. 3.Find the LCM of 4, 12 and 2.
  4. 4.43 + 12 × 9 − 34 =
  5. 5.5 × (20 − 15) + 6 ÷ 3 =
  6. 6.Ananya scored 14 marks out of 25 in a test. What percentage did Ananya score?
  7. 7.4 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
  8. 8.What is 4/5 of 55 kg?
  9. 9.Which is closest to 297 + 396 + 904? (a) 1700 (b) 1600 (c) 1500 (d) 1800
  10. 10.Round 79309 to the nearest hundred.
  11. 11.Find the smallest number bigger than 6 that leaves a remainder of 1 when divided by 3, 6 or 5.
  12. 12.A hall floor is 175 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  13. 13.Write 3/50 as a percent.
  14. 14.A car goes 96 km on 12 litres of petrol. How far can it go on 37 litres (in km)?
  15. 15.3.28 + 1.6 =
  16. 16.Which of these numbers divides exactly by 11? (a) 2673 (b) 5782 (c) 6775 (d) 2707
  17. 17.Priya scored 43 marks out of 50 in a test. What percentage did Priya score?
  18. 18.3/4 + 1/2 =
  19. 19.How many factors does 56 have?
  20. 20.43 + 11 × 11 − 43 =
  21. 21.Priya scored 64 marks out of 80 in a test. What percentage did Priya score?
  22. 22.4 × (29 − 16) + 35 ÷ 7 =
  23. 23.Find the LCM of 2, 4 and 5.
  24. 24.Which is closest to 799 × 69? (Round each number first.) (a) 56000 (b) 112000 (c) 5600 (d) 560000
  25. 25.1/2 − 3/8 =
  26. 26.(4 + 16) × 3 − 21 =
  27. 27.19 + 10 × 3 − 5 =
  28. 28.How many factors does 55 have?
  29. 29.A hostel has enough food for 7 students for 9 days. How many days will the same food last for 3 students?
  30. 30.If 3 kg of rice costs ₹171, how many kg can you buy for ₹570?
  31. 31.Find the LCM of 4, 6 and 7.
  32. 32.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 15, 3 or 10.
  33. 33.Three temple bells ring every 6, 18 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.Kabir scored 7 marks out of 20 in a test. What percentage did Kabir score?
  35. 35.If 9 kg of rice costs ₹747, how many kg can you buy for ₹498?
  36. 36.How many factors does 44 have?
  37. 37.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  38. 38.9 : 7 = 54 : ?
  39. 39.Find the LCM of 10, 15 and 9.
  40. 40.Two tanks hold 40 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?

Answer key

  1. 12
  2. 1300
  3. 12
  4. 117
  5. 27
  6. 56
  7. 2
  8. 44
  9. 1600
  10. 79300
  11. 31
  12. 35
  13. 6
  14. 296
  15. 4.88
  16. 2673
  17. 86
  18. 5/4
  19. 8
  20. 121
  21. 80
  22. 57
  23. 20
  24. 56000
  25. 1/8
  26. 39
  27. 44
  28. 4
  29. 21
  30. 10
  31. 84
  32. 31
  33. 36
  34. 35
  35. 6
  36. 6
  37. 8
  38. 42
  39. 90
  40. 10

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