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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 226 · 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. 1.57 − 42 ÷ 6 × 8 =
  2. 2.2/3 + 4/8 =
  3. 3.What is the smallest number you must take away from 921 so that it divides exactly by 13?
  4. 4.Round 14.07 to one decimal place. =
  5. 5.2 : 12 = 8 : ?
  6. 6.1/3 of 12 + 6 × 9 =
  7. 7.What is the smallest number you must add to 896 so that it divides exactly by 12?
  8. 8.Round 92.89 to one decimal place. =
  9. 9.The ratio of boys to girls in a class is 9 : 1. There are 72 boys. How many girls are there?
  10. 10.Round 71278 to the nearest hundred.
  11. 11.3/8 + 2/7 =
  12. 12.What is 40% of 230?
  13. 13.32 − 4 ÷ 2 × 4 =
  14. 14.If 4 kg of rice costs ₹268, how many kg can you buy for ₹603?
  15. 15.Find the LCM of 10 and 25.
  16. 16.1/3 of 27 + 5 × 3 =
  17. 17.47 − 12 ÷ 2 × 2 =
  18. 18.Find the LCM of 2, 14 and 3.
  19. 19.Which is closest to 1004 ÷ 49? (a) 10 (b) 200 (c) 20 (d) 40
  20. 20.1/2 × 4/11 =
  21. 21.Which is closest to 2507 ÷ 51? (a) 25 (b) 100 (c) 500 (d) 50
  22. 22.6 : 15 = 12 : ?
  23. 23.1.75 + 1.1 =
  24. 24.What is 50% of 446?
  25. 25.6.02 + 3.5 =
  26. 26.Round 22.47 to one decimal place. =
  27. 27.Find the HCF of 88 and 77.
  28. 28.Which is closest to 300 × 89? (Round each number first.) (a) 27000 (b) 54000 (c) 2700 (d) 270000
  29. 29.Which is closest to 3602 ÷ 39? (a) 900 (b) 180 (c) 45 (d) 90
  30. 30.A car goes 40 km on 4 litres of petrol. How far can it go on 28 litres (in km)?
  31. 31.Find the LCM of 4, 5 and 2.
  32. 32.2.5 × 3 =
  33. 33.What is 12% of 375?
  34. 34.Rahul scored 1 marks out of 20 in a test. What percentage did Rahul score?
  35. 35.Divide ₹80 between Priya and Ishaan in the ratio 1 : 3. How much does Ishaan get (in ₹)?
  36. 36.3 × (28 − 6) + 24 ÷ 6 =
  37. 37.What is the smallest number you must add to 910 so that it divides exactly by 9?
  38. 38.Meera scored 8 marks out of 20 in a test. What percentage did Meera score?
  39. 39.Find the LCM of 18 and 30.
  40. 40.10.5 ÷ 5 =

Answer key

  1. 1
  2. 7/6
  3. 11
  4. 14.1
  5. 48
  6. 58
  7. 4
  8. 92.9
  9. 8
  10. 71300
  11. 37/56
  12. 92
  13. 24
  14. 9
  15. 50
  16. 24
  17. 35
  18. 42
  19. 20
  20. 2/11
  21. 50
  22. 30
  23. 2.85
  24. 223
  25. 9.52
  26. 22.5
  27. 11
  28. 27000
  29. 90
  30. 280
  31. 20
  32. 7.5
  33. 45
  34. 5
  35. 60
  36. 70
  37. 8
  38. 40
  39. 90
  40. 2.1

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