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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 211 · 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.If 4 kg of rice costs ₹136, how many kg can you buy for ₹374?
  2. 2.15% of a number is 69. What is the number?
  3. 3.35 ÷ 5 × 7 + 1 =
  4. 4.How many factors does 45 have?
  5. 5.The HCF of two numbers is 2 and their LCM is 126. One of the numbers is 18. What is the other number?
  6. 6.Which is closest to 1999 ÷ 41? (a) 500 (b) 100 (c) 25 (d) 50
  7. 7.11 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
  8. 8.74.7 ÷ 9 =
  9. 9.36.5 ÷ 5 =
  10. 10.Round 96857 to the nearest hundred.
  11. 11.If 11 pencil boxes cost ₹132, how much do 3 pencil boxes cost (in ₹)?
  12. 12.Write 43/50 as a percent.
  13. 13.Round 67.36 to one decimal place. =
  14. 14.Two tanks hold 150 litres and 175 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  15. 15.If 3 erasers cost ₹33, how much do 7 erasers cost (in ₹)?
  16. 16.Find the HCF of 28 and 8.
  17. 17.Round 82160 to the nearest hundred.
  18. 18.Rohan scored 25 marks out of 50 in a test. What percentage did Rohan score?
  19. 19.4.35 + 7.3 =
  20. 20.2.85 + 8.7 =
  21. 21.Dev scored 4 marks out of 80 in a test. What percentage did Dev score?
  22. 22.What percent of 500 is 250?
  23. 23.A hostel has enough food for 8 students for 4 days. How many days will the same food last for 16 students?
  24. 24.How many factors does 48 have?
  25. 25.Round 31.94 to one decimal place. =
  26. 26.What is 5% of 160?
  27. 27.Find the LCM of 12 and 10.
  28. 28.7 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
  29. 29.Find the LCM of 40 and 25.
  30. 30.Two tanks hold 60 litres and 90 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  31. 31.What percent of 400 is 248?
  32. 32.Find the HCF of 45 and 10.
  33. 33.The ratio of boys to girls in a class is 1 : 8. There are 3 boys. How many girls are there?
  34. 34.A hall floor is 175 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  35. 35.Find the LCM of 4, 8 and 2.
  36. 36.Which of these numbers divides exactly by 6? (a) 7344 (b) 9141 (c) 2564 (d) 8392
  37. 37.9 painters can paint a school in 10 days. How many days would 3 painters take, working at the same speed?
  38. 38.15 ÷ 5 × 7 + 30 =
  39. 39.Three temple bells ring every 9, 5 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  40. 40.33 + 2 × 8 − 13 =

Answer key

  1. 11
  2. 460
  3. 50
  4. 6
  5. 14
  6. 50
  7. 11
  8. 8.3
  9. 7.3
  10. 96900
  11. 36
  12. 86
  13. 67.4
  14. 25
  15. 77
  16. 4
  17. 82200
  18. 50
  19. 11.65
  20. 11.55
  21. 5
  22. 50
  23. 2
  24. 10
  25. 31.9
  26. 8
  27. 60
  28. 35
  29. 200
  30. 30
  31. 62
  32. 5
  33. 24
  34. 28
  35. 8
  36. 7344
  37. 30
  38. 51
  39. 90
  40. 36

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