← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 704 · 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.Three temple bells ring every 8, 30 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  2. 2.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 9, 12 or 3.
  3. 3.5/11 + 3/6 =
  4. 4.Which of these numbers divides exactly by 3? (a) 8737 (b) 1461 (c) 4807 (d) 4624
  5. 5.Divide ₹416 between Nisha and Farhan in the ratio 7 : 9. How much does Nisha get (in ₹)?
  6. 6.A car goes 27 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
  7. 7.7/11 × 1/2 =
  8. 8.Manav takes 48 seconds and Arjun takes 36 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?
  9. 9.The HCF of two numbers is 5 and their LCM is 100. One of the numbers is 25. What is the other number?
  10. 10.Round 33.27 to one decimal place. =
  11. 11.36 − 56 ÷ 7 × 4 =
  12. 12.3/8 − 4/12 =
  13. 13.What is the smallest number you must take away from 178 so that it divides exactly by 12?
  14. 14.2 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  15. 15.What is 1/2 of 34 litres?
  16. 16.8/12 − 1/8 =
  17. 17.How many factors does 74 have?
  18. 18.Divide ₹164 between Manav and Ananya in the ratio 3 : 1. How much does Ananya get (in ₹)?
  19. 19.Which of these numbers divides exactly by 3? (a) 2996 (b) 5816 (c) 1401 (d) 9947
  20. 20.9 : 12 = 72 : ?
  21. 21.Find the HCF of 112 and 42.
  22. 22.Which is closest to 803 + 197 + 105? (a) 1200 (b) 1100 (c) 1300 (d) 1000
  23. 23.5.24 + 3.6 =
  24. 24.7.5 × 4 =
  25. 25.Which is closest to 803 × 60? (Round each number first.) (a) 48000 (b) 4800 (c) 96000 (d) 480000
  26. 26.The HCF of two numbers is 3 and their LCM is 42. One of the numbers is 6. What is the other number?
  27. 27.5.77 + 9.2 =
  28. 28.What is the smallest number you must take away from 360 so that it divides exactly by 7?
  29. 29.27 ÷ 9 × 8 + 19 =
  30. 30.What is the smallest number you must take away from 864 so that it divides exactly by 13?
  31. 31.Zoya takes 75 seconds and Farhan takes 40 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?
  32. 32.What is 1/3 of 18 km?
  33. 33.Which of these numbers divides exactly by 9? (a) 7160 (b) 9630 (c) 6853 (d) 5434
  34. 34.Two tanks hold 30 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  35. 35.Two tanks hold 45 litres and 35 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  36. 36.2/10 × 2/8 =
  37. 37.6 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
  38. 38.How many factors does 22 have?
  39. 39.Which is closest to 3004 ÷ 49? (a) 120 (b) 60 (c) 30 (d) 600
  40. 40.Find the LCM of 11, 2 and 12.

Answer key

  1. 120
  2. 38
  3. 21/22
  4. 1461
  5. 182
  6. 99
  7. 7/22
  8. 144
  9. 20
  10. 33.3
  11. 4
  12. 1/24
  13. 10
  14. 2
  15. 17
  16. 13/24
  17. 4
  18. 41
  19. 1401
  20. 96
  21. 14
  22. 1100
  23. 8.84
  24. 30
  25. 48000
  26. 21
  27. 14.97
  28. 3
  29. 43
  30. 6
  31. 600
  32. 6
  33. 9630
  34. 10
  35. 5
  36. 1/20
  37. 6
  38. 4
  39. 60
  40. 132

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