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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 809 · 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.Divide ₹296 between Arjun and Manav in the ratio 3 : 5. How much does Arjun get (in ₹)?
  2. 2.3.73 + 6.2 =
  3. 3.4.6 × 4 =
  4. 4.Which of these numbers divides exactly by 11? (a) 4429 (b) 3199 (c) 4604 (d) 1056
  5. 5.Find the third proportional to 3 and 15 (that is, 3 : 15 = 15 : ?).
  6. 6.If 2 notebooks cost ₹34, how much do 5 notebooks cost (in ₹)?
  7. 7.5/6 + 1/2 =
  8. 8.What is the smallest number you must take away from 162 so that it divides exactly by 12?
  9. 9.A car goes 39 km on 3 litres of petrol. How far can it go on 8 litres (in km)?
  10. 10.What is the smallest number you must take away from 675 so that it divides exactly by 8?
  11. 11.Which is closest to 400 × 59? (Round each number first.) (a) 2400 (b) 240000 (c) 48000 (d) 24000
  12. 12.Which is closest to 797 × 30? (Round each number first.) (a) 2400 (b) 24000 (c) 48000 (d) 240000
  13. 13.Round 43.08 to one decimal place. =
  14. 14.What is the smallest number you must add to 597 so that it divides exactly by 11?
  15. 15.The ratio of boys to girls in a class is 2 : 5. There are 4 boys. How many girls are there?
  16. 16.What is 75% of 292?
  17. 17.Which of these numbers divides exactly by 3? (a) 2163 (b) 1679 (c) 7967 (d) 6016
  18. 18.Round 62478 to the nearest hundred.
  19. 19.44 − 18 ÷ 9 × 4 =
  20. 20.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?
  21. 21.Divide ₹328 between Kavya and Farhan in the ratio 5 : 3. How much does Farhan get (in ₹)?
  22. 22.Aditya takes 36 seconds and Manav takes 48 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?
  23. 23.Two tanks hold 20 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  24. 24.50 + 5 × 2 − 28 =
  25. 25.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  26. 26.Divide ₹714 between Vivaan and Nisha in the ratio 5 : 9. How much does Nisha get (in ₹)?
  27. 27.Round 21070 to the nearest hundred.
  28. 28.45 + 6 × 11 − 29 =
  29. 29.How many factors does 40 have?
  30. 30.Write 11/20 as a percent.
  31. 31.Find the LCM of 12 and 8.
  32. 32.36.9 ÷ 9 =
  33. 33.What is the smallest number you must add to 392 so that it divides exactly by 11?
  34. 34.What percent of 200 is 30?
  35. 35.What is the smallest number you must add to 815 so that it divides exactly by 3?
  36. 36.2 × (23 − 16) + 18 ÷ 6 =
  37. 37.Three temple bells ring every 20, 4 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  38. 38.Which of these numbers divides exactly by 6? (a) 8470 (b) 7420 (c) 5649 (d) 8712
  39. 39.A car goes 98 km on 7 litres of petrol. How far can it go on 14 litres (in km)?
  40. 40.Three temple bells ring every 12, 30 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 111
  2. 9.93
  3. 18.4
  4. 1056
  5. 75
  6. 85
  7. 4/3
  8. 6
  9. 104
  10. 3
  11. 24000
  12. 24000
  13. 43.1
  14. 8
  15. 10
  16. 219
  17. 2163
  18. 62500
  19. 36
  20. 35
  21. 123
  22. 144
  23. 10
  24. 32
  25. 12
  26. 459
  27. 21100
  28. 82
  29. 8
  30. 55
  31. 24
  32. 4.1
  33. 4
  34. 15
  35. 1
  36. 17
  37. 60
  38. 8712
  39. 196
  40. 60

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