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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 729 · 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. 1.32 − 14 ÷ 7 × 2 =
  2. 2.Write 1/2 as a percent.
  3. 3.If 2 cricket balls cost ₹92, how much do 9 cricket balls cost (in ₹)?
  4. 4.If 5 kg of rice costs ₹305, how many kg can you buy for ₹427?
  5. 5.Which of these numbers divides exactly by 3? (a) 2264 (b) 2981 (c) 4194 (d) 8909
  6. 6.Find the LCM of 5, 7 and 6.
  7. 7.Find the LCM of 18 and 48.
  8. 8.4.67 + 5.1 =
  9. 9.42 − 30 ÷ 6 × 8 =
  10. 10.What percent of 500 is 35?
  11. 11.Karan scored 26 marks out of 40 in a test. What percentage did Karan score?
  12. 12.Kavya takes 36 seconds and Ananya takes 60 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?
  13. 13.The ratio of boys to girls in a class is 7 : 6. There are 70 boys. How many girls are there?
  14. 14.What is the smallest number you must add to 285 so that it divides exactly by 13?
  15. 15.5.18 + 9.5 =
  16. 16.Round 30.92 to one decimal place. =
  17. 17.Find the LCM of 8 and 18.
  18. 18.10 + 11 × 8 − 8 =
  19. 19.Find the HCF of 108 and 24.
  20. 20.The HCF of two numbers is 2 and their LCM is 56. One of the numbers is 14. What is the other number?
  21. 21.A car goes 198 km on 11 litres of petrol. How far can it go on 18 litres (in km)?
  22. 22.Saanvi scored 72 marks out of 80 in a test. What percentage did Saanvi score?
  23. 23.The HCF of two numbers is 9 and their LCM is 405. One of the numbers is 45. What is the other number?
  24. 24.What is 4/7 of ₹175?
  25. 25.What percent of 40 is 12?
  26. 26.8/10 + 2/4 =
  27. 27.16 ÷ 8 × 2 + 18 =
  28. 28.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  29. 29.Find the LCM of 2, 14 and 4.
  30. 30.Find the HCF of 27 and 45.
  31. 31.Find the smallest number bigger than 9 that leaves a remainder of 5 when divided by 8, 6 or 9.
  32. 32.Which is closest to 799 ÷ 39? (a) 20 (b) 10 (c) 40 (d) 200
  33. 33.How many factors does 14 have?
  34. 34.The HCF of two numbers is 7 and their LCM is 504. One of the numbers is 63. What is the other number?
  35. 35.Find the LCM of 48 and 42.
  36. 36.Find the HCF of 117 and 26.
  37. 37.Round 48924 to the nearest thousand.
  38. 38.Divide ₹540 between Diya and Pooja in the ratio 7 : 8. How much does Diya get (in ₹)?
  39. 39.Round 27444 to the nearest ten.
  40. 40.1/2 − 3/9 =

Answer key

  1. 28
  2. 50
  3. 414
  4. 7
  5. 4194
  6. 210
  7. 144
  8. 9.77
  9. 2
  10. 7
  11. 65
  12. 180
  13. 60
  14. 1
  15. 14.68
  16. 30.9
  17. 72
  18. 90
  19. 12
  20. 8
  21. 324
  22. 90
  23. 81
  24. 100
  25. 30
  26. 13/10
  27. 22
  28. 16
  29. 28
  30. 9
  31. 77
  32. 20
  33. 4
  34. 56
  35. 336
  36. 13
  37. 49000
  38. 252
  39. 27440
  40. 1/6

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