← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 956 · 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 of these numbers divides exactly by 6? (a) 3638 (b) 1746 (c) 2503 (d) 8201
  2. 2.14 ÷ 7 × 7 + 18 =
  3. 3.Round 91663 to the nearest hundred.
  4. 4.Round 45.38 to one decimal place. =
  5. 5.5 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
  6. 6.Write 1/4 as a percent.
  7. 7.Ananya takes 80 seconds and Tara takes 50 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?
  8. 8.Which is closest to 395 + 698 + 896? (a) 2200 (b) 2100 (c) 1900 (d) 2000
  9. 9.Two tanks hold 35 litres and 20 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  10. 10.Find the LCM of 32 and 20.
  11. 11.Which is closest to 704 × 80? (Round each number first.) (a) 112000 (b) 560000 (c) 56000 (d) 5600
  12. 12.Find the HCF of 16 and 6.
  13. 13.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 12, 5 or 8.
  14. 14.A hall floor is 120 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  15. 15.Find the LCM of 2 and 3.
  16. 16.How many factors does 65 have?
  17. 17.If 6 kg of rice costs ₹516, how many kg can you buy for ₹430?
  18. 18.What percent of 80 is 56?
  19. 19.6/7 − 4/5 =
  20. 20.3/5 of 30 + 9 × 6 =
  21. 21.Three temple bells ring every 30, 8 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  22. 22.How many factors does 64 have?
  23. 23.What is the smallest number you must take away from 593 so that it divides exactly by 12?
  24. 24.The ratio of boys to girls in a class is 2 : 5. There are 16 boys. How many girls are there?
  25. 25.Find the HCF of 18 and 16.
  26. 26.Round 16.12 to one decimal place. =
  27. 27.Which of these numbers divides exactly by 4? (a) 6550 (b) 9828 (c) 2546 (d) 3911
  28. 28.A car goes 80 km on 8 litres of petrol. How far can it go on 27 litres (in km)?
  29. 29.(9 + 12) × 7 − 12 =
  30. 30.36 − 6 ÷ 3 × 9 =
  31. 31.What is 40% of 435?
  32. 32.1.68 + 6.9 =
  33. 33.Write 1/2 as a percent.
  34. 34.A hall floor is 180 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  35. 35.The ratio of boys to girls in a class is 7 : 8. There are 14 boys. How many girls are there?
  36. 36.What is 30% of 450?
  37. 37.9 × (22 − 16) + 6 ÷ 2 =
  38. 38.Ananya takes 45 seconds and Diya takes 54 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?
  39. 39.If 2 notebooks cost ₹60, how much do 12 notebooks cost (in ₹)?
  40. 40.Diya takes 36 seconds and Ananya takes 54 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?

Answer key

  1. 1746
  2. 32
  3. 91700
  4. 45.4
  5. 5
  6. 25
  7. 400
  8. 2000
  9. 5
  10. 160
  11. 56000
  12. 2
  13. 123
  14. 12
  15. 6
  16. 4
  17. 5
  18. 70
  19. 2/35
  20. 72
  21. 120
  22. 7
  23. 5
  24. 40
  25. 2
  26. 16.1
  27. 9828
  28. 270
  29. 135
  30. 18
  31. 174
  32. 8.58
  33. 50
  34. 6
  35. 16
  36. 135
  37. 57
  38. 270
  39. 360
  40. 108

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