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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 263 · 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.Which is closest to 2005 ÷ 39? (a) 500 (b) 100 (c) 25 (d) 50
  2. 2.Round 83492 to the nearest ten.
  3. 3.4/9 + 5/7 =
  4. 4.A car goes 228 km on 12 litres of petrol. How far can it go on 15 litres (in km)?
  5. 5.25% of a number is 56. What is the number?
  6. 6.Find the LCM of 24 and 28.
  7. 7.7 × (12 − 4) + 12 ÷ 4 =
  8. 8.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 8, 12 or 5.
  9. 9.24 ÷ 3 × 3 + 24 =
  10. 10.What is 1/2 of 22 students?
  11. 11.How many factors does 54 have?
  12. 12.Find the third proportional to 7 and 28 (that is, 7 : 28 = 28 : ?).
  13. 13.6 : 10 = 12 : ?
  14. 14.Which is closest to 805 + 504 + 299? (a) 1800 (b) 1600 (c) 1500 (d) 1700
  15. 15.Isha scored 13 marks out of 25 in a test. What percentage did Isha score?
  16. 16.What is the smallest number you must take away from 411 so that it divides exactly by 11?
  17. 17.Find the LCM of 13, 2 and 4.
  18. 18.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  19. 19.28 + 10 × 11 − 11 =
  20. 20.Aditya scored 38 marks out of 40 in a test. What percentage did Aditya score?
  21. 21.3 : 11 = 6 : ?
  22. 22.Which is closest to 1207 ÷ 29? (a) 80 (b) 400 (c) 20 (d) 40
  23. 23.5 : 6 = 10 : ?
  24. 24.Tara scored 12 marks out of 40 in a test. What percentage did Tara score?
  25. 25.What percent of 80 is 20?
  26. 26.What is 1/5 of 90 km?
  27. 27.Pooja takes 75 seconds and Aditya takes 30 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  28. 28.A hall floor is 150 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  29. 29.2 × (29 − 7) + 44 ÷ 4 =
  30. 30.A car goes 198 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
  31. 31.19 + 4 × 9 − 19 =
  32. 32.Find the LCM of 18 and 16.
  33. 33.Round 40.59 to one decimal place. =
  34. 34.Which of these numbers divides exactly by 3? (a) 8290 (b) 8137 (c) 3553 (d) 7821
  35. 35.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  36. 36.What is the smallest number you must add to 781 so that it divides exactly by 9?
  37. 37.What percent of 50 is 5?
  38. 38.What is 15% of 100?
  39. 39.59.2 ÷ 8 =
  40. 40.Which is closest to 999 ÷ 49? (a) 40 (b) 10 (c) 200 (d) 20

Answer key

  1. 50
  2. 83490
  3. 73/63
  4. 285
  5. 224
  6. 168
  7. 59
  8. 121
  9. 48
  10. 11
  11. 8
  12. 112
  13. 20
  14. 1600
  15. 52
  16. 4
  17. 52
  18. 63
  19. 127
  20. 95
  21. 22
  22. 40
  23. 12
  24. 30
  25. 25
  26. 18
  27. 150
  28. 15
  29. 55
  30. 484
  31. 36
  32. 144
  33. 40.6
  34. 7821
  35. 32
  36. 2
  37. 10
  38. 15
  39. 7.4
  40. 20

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