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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 566 · 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. 1.8 : 9 = 56 : ?
  2. 2.25.6 ÷ 4 =
  3. 3.25% of a number is 48. What is the number?
  4. 4.The HCF of two numbers is 5 and their LCM is 175. One of the numbers is 35. What is the other number?
  5. 5.The ratio of boys to girls in a class is 8 : 1. There are 80 boys. How many girls are there?
  6. 6.50% of a number is 293. What is the number?
  7. 7.75% of a number is 6. What is the number?
  8. 8.(13 + 11) × 9 − 18 =
  9. 9.Round 3785 to the nearest thousand.
  10. 10.2/3 of 18 + 8 × 5 =
  11. 11.Write 1/10 as a percent.
  12. 12.Find the LCM of 42 and 48.
  13. 13.What is 1/5 of 100 students?
  14. 14.6 painters can paint a school in 27 days. How many days would 3 painters take, working at the same speed?
  15. 15.A car goes 60 km on 6 litres of petrol. How far can it go on 18 litres (in km)?
  16. 16.42 ÷ 7 × 4 + 23 =
  17. 17.How many factors does 20 have?
  18. 18.5/9 of 27 + 3 × 4 =
  19. 19.5/7 of 77 + 3 × 5 =
  20. 20.(10 + 3) × 5 − 24 =
  21. 21.Divide ₹72 between Kabir and Farhan in the ratio 1 : 8. How much does Kabir get (in ₹)?
  22. 22.If 11 pens cost ₹121, how much do 6 pens cost (in ₹)?
  23. 23.Find the HCF of 15 and 21.
  24. 24.Divide ₹552 between Arjun and Priya in the ratio 7 : 5. How much does Priya get (in ₹)?
  25. 25.5/12 × 1/2 =
  26. 26.If 5 kg of rice costs ₹415, how many kg can you buy for ₹830?
  27. 27.12 : 10 = 48 : ?
  28. 28.Find the LCM of 6, 9 and 13.
  29. 29.The HCF of two numbers is 6 and their LCM is 252. One of the numbers is 42. What is the other number?
  30. 30.Round 34.52 to one decimal place. =
  31. 31.8 : 5 = 72 : ?
  32. 32.Manav scored 32 marks out of 40 in a test. What percentage did Manav score?
  33. 33.Two tanks hold 450 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  34. 34.What is 15% of 100?
  35. 35.What is 120% of 160?
  36. 36.What is the smallest number you must take away from 639 so that it divides exactly by 8?
  37. 37.Which is closest to 800 + 198 + 901? (a) 1900 (b) 2100 (c) 1800 (d) 2000
  38. 38.12 : 14 = 96 : ?
  39. 39.18 ÷ 6 × 5 + 7 =
  40. 40.3/4 of 16 + 7 × 6 =

Answer key

  1. 63
  2. 6.4
  3. 192
  4. 25
  5. 10
  6. 586
  7. 8
  8. 198
  9. 4000
  10. 52
  11. 10
  12. 336
  13. 20
  14. 54
  15. 180
  16. 47
  17. 6
  18. 27
  19. 70
  20. 41
  21. 8
  22. 66
  23. 3
  24. 230
  25. 5/24
  26. 10
  27. 40
  28. 234
  29. 36
  30. 34.5
  31. 45
  32. 80
  33. 50
  34. 15
  35. 192
  36. 7
  37. 1900
  38. 112
  39. 22
  40. 54

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