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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 887 · 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 is closest to 501 + 604 + 395? (a) 1700 (b) 1500 (c) 1400 (d) 1600
  2. 2.Priya scored 49 marks out of 50 in a test. What percentage did Priya score?
  3. 3.4 : 14 = 24 : ?
  4. 4.If 12 bottles of juice cost ₹516, how much do 17 bottles of juice cost (in ₹)?
  5. 5.A hall floor is 300 cm long and 250 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  6. 6.6.8 × 4 =
  7. 7.Find the HCF of 50 and 60.
  8. 8.5.94 + 4.3 =
  9. 9.The HCF of two numbers is 6 and their LCM is 378. One of the numbers is 54. What is the other number?
  10. 10.40% of a number is 152. What is the number?
  11. 11.What is the smallest number you must add to 912 so that it divides exactly by 13?
  12. 12.40 ÷ 8 × 6 + 11 =
  13. 13.9/10 − 1/4 =
  14. 14.If 2 pencil boxes cost ₹104, how much do 12 pencil boxes cost (in ₹)?
  15. 15.Round 48624 to the nearest thousand.
  16. 16.A hall floor is 360 cm long and 135 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  17. 17.The HCF of two numbers is 8 and their LCM is 168. One of the numbers is 24. What is the other number?
  18. 18.The HCF of two numbers is 4 and their LCM is 144. One of the numbers is 16. What is the other number?
  19. 19.Find the LCM of 8, 4 and 2.
  20. 20.Find the smallest number bigger than 6 that leaves a remainder of 2 when divided by 3, 5 or 6.
  21. 21.Find the LCM of 54 and 24.
  22. 22.What is 7/10 of 190 km?
  23. 23.The HCF of two numbers is 4 and their LCM is 144. One of the numbers is 36. What is the other number?
  24. 24.7/8 − 2/6 =
  25. 25.Aditya scored 17 marks out of 25 in a test. What percentage did Aditya score?
  26. 26.7 × (17 − 12) + 72 ÷ 8 =
  27. 27.Two tanks hold 35 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  28. 28.Write 3/10 as a percent.
  29. 29.Three temple bells ring every 18, 6 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  30. 30.Find the HCF of 16 and 40.
  31. 31.Find the HCF of 27 and 15.
  32. 32.Find the HCF of 112 and 42.
  33. 33.A car goes 120 km on 5 litres of petrol. How far can it go on 12 litres (in km)?
  34. 34.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  35. 35.Find the HCF of 45 and 35.
  36. 36.8.8 ÷ 8 =
  37. 37.12 + 6 × 10 − 3 =
  38. 38.The ratio of boys to girls in a class is 1 : 8. There are 9 boys. How many girls are there?
  39. 39.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 6, 8 or 3.
  40. 40.Divide ₹624 between Zoya and Diya in the ratio 8 : 5. How much does Diya get (in ₹)?

Answer key

  1. 1500
  2. 98
  3. 84
  4. 731
  5. 30
  6. 27.2
  7. 10
  8. 10.24
  9. 42
  10. 380
  11. 11
  12. 41
  13. 13/20
  14. 624
  15. 49000
  16. 24
  17. 56
  18. 36
  19. 8
  20. 32
  21. 216
  22. 133
  23. 16
  24. 13/24
  25. 68
  26. 44
  27. 5
  28. 30
  29. 36
  30. 8
  31. 3
  32. 14
  33. 288
  34. 18
  35. 5
  36. 1.1
  37. 69
  38. 72
  39. 25
  40. 240

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