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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 165 · 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 2 kg of rice costs ₹110, how many kg can you buy for ₹660?
  2. 2.Divide ₹264 between Saanvi and Ishaan in the ratio 5 : 6. How much does Saanvi get (in ₹)?
  3. 3.Divide ₹272 between Priya and Karan in the ratio 5 : 3. How much does Priya get (in ₹)?
  4. 4.What percent of 250 is 55?
  5. 5.7/8 of 16 + 3 × 3 =
  6. 6.Meera takes 30 seconds and Karan takes 45 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?
  7. 7.(10 + 18) × 8 − 20 =
  8. 8.Find the LCM of 3, 12 and 6.
  9. 9.Priya scored 4 marks out of 20 in a test. What percentage did Priya score?
  10. 10.Tara scored 18 marks out of 40 in a test. What percentage did Tara score?
  11. 11.Which is closest to 895 + 201 + 603? (a) 1900 (b) 1700 (c) 1800 (d) 1600
  12. 12.The ratio of boys to girls in a class is 6 : 1. There are 24 boys. How many girls are there?
  13. 13.What percent of 40 is 30?
  14. 14.Three temple bells ring every 5, 6 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  15. 15.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  16. 16.What is the smallest number you must take away from 405 so that it divides exactly by 6?
  17. 17.18 − 18 ÷ 9 × 6 =
  18. 18.2/3 of 18 + 3 × 9 =
  19. 19.How many factors does 40 have?
  20. 20.What is the smallest number you must take away from 100 so that it divides exactly by 7?
  21. 21.Write 19/50 as a percent.
  22. 22.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 8, 6 or 5.
  23. 23.If 4 notebooks cost ₹152, how much do 13 notebooks cost (in ₹)?
  24. 24.What is the smallest number you must add to 440 so that it divides exactly by 12?
  25. 25.47.6 ÷ 7 =
  26. 26.Tara takes 45 seconds and Priya takes 80 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?
  27. 27.What is 2/5 of ₹45?
  28. 28.Two tanks hold 200 litres and 150 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  29. 29.Round 16.57 to one decimal place. =
  30. 30.What is the smallest number you must take away from 259 so that it divides exactly by 3?
  31. 31.Two tanks hold 60 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  32. 32.Which is closest to 602 + 802 + 102? (a) 1700 (b) 1500 (c) 1600 (d) 1400
  33. 33.What is 3/7 of ₹203?
  34. 34.Three temple bells ring every 6, 5 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  35. 35.2/5 − 4/12 =
  36. 36.Find the LCM of 36 and 28.
  37. 37.Round 55202 to the nearest ten.
  38. 38.What is the smallest number you must take away from 607 so that it divides exactly by 12?
  39. 39.Sneha takes 40 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?
  40. 40.7.78 + 9.6 =

Answer key

  1. 12
  2. 120
  3. 170
  4. 22
  5. 23
  6. 90
  7. 204
  8. 12
  9. 20
  10. 45
  11. 1700
  12. 4
  13. 75
  14. 90
  15. 32
  16. 3
  17. 6
  18. 39
  19. 8
  20. 2
  21. 38
  22. 122
  23. 494
  24. 4
  25. 6.8
  26. 720
  27. 18
  28. 50
  29. 16.6
  30. 1
  31. 10
  32. 1500
  33. 87
  34. 90
  35. 1/15
  36. 252
  37. 55200
  38. 7
  39. 360
  40. 17.38

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