← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 462 · 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.Find the HCF of 70 and 28.
  2. 2.5% of a number is 2. What is the number?
  3. 3.Find the LCM of 18 and 8.
  4. 4.What percent of 500 is 350?
  5. 5.Find the HCF of 15 and 9.
  6. 6.A car goes 66 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
  7. 7.Which is closest to 3593 ÷ 41? (a) 180 (b) 900 (c) 90 (d) 45
  8. 8.Find the LCM of 28 and 20.
  9. 9.Find the third proportional to 8 and 32 (that is, 8 : 32 = 32 : ?).
  10. 10.16 + 12 × 4 − 16 =
  11. 11.Find the LCM of 4 and 14.
  12. 12.What percent of 80 is 8?
  13. 13.Find the LCM of 8 and 6.
  14. 14.5 × (19 − 8) + 21 ÷ 3 =
  15. 15.The HCF of two numbers is 9 and their LCM is 216. One of the numbers is 72. What is the other number?
  16. 16.What is 7/9 of 270 litres?
  17. 17.A hall floor is 315 cm long and 270 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  18. 18.27 − 54 ÷ 9 × 4 =
  19. 19.Rahul scored 22 marks out of 40 in a test. What percentage did Rahul score?
  20. 20.1/2 of 20 + 8 × 2 =
  21. 21.Find the LCM of 40 and 45.
  22. 22.Two tanks hold 30 litres and 75 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  23. 23.Find the HCF of 55 and 33.
  24. 24.The HCF of two numbers is 3 and their LCM is 63. One of the numbers is 9. What is the other number?
  25. 25.2 painters can paint a school in 21 days. How many days would 6 painters take, working at the same speed?
  26. 26.What is the smallest number you must add to 845 so that it divides exactly by 6?
  27. 27.Which of these numbers divides exactly by 4? (a) 7283 (b) 5705 (c) 6381 (d) 6692
  28. 28.Round 33.33 to one decimal place. =
  29. 29.Write 16/25 as a percent.
  30. 30.Diya scored 30 marks out of 50 in a test. What percentage did Diya score?
  31. 31.What is 120% of 135?
  32. 32.Find the HCF of 33 and 22.
  33. 33.What is the smallest number you must take away from 253 so that it divides exactly by 8?
  34. 34.Write 19/50 as a percent.
  35. 35.If 9 mangoes cost ₹333, how much do 12 mangoes cost (in ₹)?
  36. 36.A hall floor is 225 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  37. 37.Which is closest to 496 + 205 + 301? (a) 1000 (b) 900 (c) 1100 (d) 1200
  38. 38.Which is closest to 796 + 102 + 105? (a) 1100 (b) 1000 (c) 900 (d) 1200
  39. 39.Meera takes 90 seconds and Manav takes 80 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?
  40. 40.Round 35300 to the nearest thousand.

Answer key

  1. 14
  2. 40
  3. 72
  4. 70
  5. 3
  6. 132
  7. 90
  8. 140
  9. 128
  10. 48
  11. 28
  12. 10
  13. 24
  14. 62
  15. 27
  16. 210
  17. 42
  18. 3
  19. 55
  20. 26
  21. 360
  22. 15
  23. 11
  24. 21
  25. 7
  26. 1
  27. 6692
  28. 33.3
  29. 64
  30. 60
  31. 162
  32. 11
  33. 5
  34. 38
  35. 444
  36. 10
  37. 1000
  38. 1000
  39. 720
  40. 35000

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude