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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 845 · 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.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 15, 5 or 10.
  2. 2.Priya scored 2 marks out of 50 in a test. What percentage did Priya score?
  3. 3.Find the LCM of 36 and 28.
  4. 4.(18 + 16) × 9 − 15 =
  5. 5.Which is closest to 703 + 900 + 604? (a) 2400 (b) 2100 (c) 2200 (d) 2300
  6. 6.2/3 − 2/11 =
  7. 7.If 11 bottles of juice cost ₹286, how much do 12 bottles of juice cost (in ₹)?
  8. 8.17 + 5 × 10 − 14 =
  9. 9.6.48 + 9.1 =
  10. 10.Find the LCM of 36 and 32.
  11. 11.Round 85194 to the nearest thousand.
  12. 12.Find the HCF of 39 and 26.
  13. 13.Aarav scored 22 marks out of 25 in a test. What percentage did Aarav score?
  14. 14.Write 3/5 as a percent.
  15. 15.8 : 15 = 72 : ?
  16. 16.12% of a number is 42. What is the number?
  17. 17.If 2 kg of rice costs ₹126, how many kg can you buy for ₹378?
  18. 18.Round 21916 to the nearest ten.
  19. 19.Two tanks hold 250 litres and 400 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.20 ÷ 5 × 6 + 19 =
  21. 21.If 10 pencil boxes cost ₹90, how much do 7 pencil boxes cost (in ₹)?
  22. 22.Divide ₹60 between Nisha and Sneha in the ratio 4 : 1. How much does Sneha get (in ₹)?
  23. 23.A hall floor is 140 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  24. 24.If 3 kg of rice costs ₹243, how many kg can you buy for ₹810?
  25. 25.Find the LCM of 6, 2 and 15.
  26. 26.70 ÷ 7 × 6 + 9 =
  27. 27.Arjun takes 40 seconds and Rohan takes 90 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?
  28. 28.2 : 6 = 18 : ?
  29. 29.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  30. 30.3/4 of 16 + 3 × 9 =
  31. 31.What is the smallest number you must take away from 379 so that it divides exactly by 12?
  32. 32.Two tanks hold 35 litres and 15 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  33. 33.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 12, 9 or 8.
  34. 34.How many factors does 62 have?
  35. 35.The ratio of boys to girls in a class is 4 : 9. There are 32 boys. How many girls are there?
  36. 36.Kavya takes 30 seconds and Tara 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?
  37. 37.If 4 kg of rice costs ₹320, how many kg can you buy for ₹1040?
  38. 38.What is 40% of 445?
  39. 39.If 3 mangoes cost ₹81, how much do 2 mangoes cost (in ₹)?
  40. 40.3/8 of 48 + 6 × 3 =

Answer key

  1. 32
  2. 4
  3. 252
  4. 291
  5. 2200
  6. 16/33
  7. 312
  8. 53
  9. 15.58
  10. 288
  11. 85000
  12. 13
  13. 88
  14. 60
  15. 135
  16. 350
  17. 6
  18. 21920
  19. 50
  20. 43
  21. 63
  22. 12
  23. 35
  24. 10
  25. 30
  26. 69
  27. 360
  28. 54
  29. 8
  30. 39
  31. 7
  32. 5
  33. 74
  34. 4
  35. 72
  36. 360
  37. 13
  38. 178
  39. 54
  40. 36

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