← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 109 · 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.Round 43725 to the nearest hundred.
  2. 2.60% of a number is 42. What is the number?
  3. 3.Which is closest to 2001 ÷ 39? (a) 25 (b) 100 (c) 50 (d) 500
  4. 4.Find the LCM of 4, 9 and 2.
  5. 5.Find the HCF of 16 and 72.
  6. 6.Three temple bells ring every 6, 8 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  7. 7.Which is closest to 701 + 96 + 496? (a) 1500 (b) 1400 (c) 1200 (d) 1300
  8. 8.If 9 kg of rice costs ₹243, how many kg can you buy for ₹162?
  9. 9.How many factors does 53 have?
  10. 10.Two tanks hold 25 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  11. 11.4.75 + 5.5 =
  12. 12.Find the HCF of 35 and 15.
  13. 13.A hall floor is 175 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  14. 14.What is 120% of 365?
  15. 15.12 painters can paint a school in 12 days. How many days would 8 painters take, working at the same speed?
  16. 16.120% of a number is 678. What is the number?
  17. 17.Which is closest to 2099 ÷ 31? (a) 140 (b) 700 (c) 35 (d) 70
  18. 18.How many factors does 24 have?
  19. 19.If 3 kites cost ₹33, how much do 12 kites cost (in ₹)?
  20. 20.9/11 × 1/7 =
  21. 21.What percent of 40 is 10?
  22. 22.Three temple bells ring every 9, 6 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.Zoya takes 54 seconds and Sneha takes 72 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?
  24. 24.A hostel has enough food for 7 students for 30 days. How many days will the same food last for 14 students?
  25. 25.What is 4/5 of 135 km?
  26. 26.What percent of 250 is 200?
  27. 27.If 2 erasers cost ₹38, how much do 4 erasers cost (in ₹)?
  28. 28.1/3 of 30 + 8 × 2 =
  29. 29.A hostel has enough food for 8 students for 11 days. How many days will the same food last for 4 students?
  30. 30.2.1 × 3 =
  31. 31.2/4 × 1/11 =
  32. 32.4/7 × 3/12 =
  33. 33.5/7 + 1/2 =
  34. 34.Find the LCM of 4 and 7.
  35. 35.Which of these numbers divides exactly by 9? (a) 6557 (b) 1189 (c) 8579 (d) 2169
  36. 36.(16 + 19) × 9 − 11 =
  37. 37.Priya scored 6 marks out of 40 in a test. What percentage did Priya score?
  38. 38.Write 3/5 as a percent.
  39. 39.Find the LCM of 20 and 15.
  40. 40.Round 23.91 to one decimal place. =

Answer key

  1. 43700
  2. 70
  3. 50
  4. 36
  5. 8
  6. 72
  7. 1300
  8. 6
  9. 2
  10. 5
  11. 10.25
  12. 5
  13. 21
  14. 438
  15. 18
  16. 565
  17. 70
  18. 8
  19. 132
  20. 9/77
  21. 25
  22. 36
  23. 216
  24. 15
  25. 108
  26. 80
  27. 76
  28. 26
  29. 22
  30. 6.3
  31. 1/22
  32. 1/7
  33. 17/14
  34. 28
  35. 2169
  36. 304
  37. 15
  38. 60
  39. 60
  40. 23.9

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