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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 256 · 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 3 kg of rice costs ₹219, how many kg can you buy for ₹876?
  2. 2.A car goes 216 km on 9 litres of petrol. How far can it go on 15 litres (in km)?
  3. 3.Round 73756 to the nearest ten.
  4. 4.If 12 kites cost ₹672, how much do 18 kites cost (in ₹)?
  5. 5.15% of a number is 66. What is the number?
  6. 6.The HCF of two numbers is 3 and their LCM is 72. One of the numbers is 9. What is the other number?
  7. 7.6/8 − 2/3 =
  8. 8.80% of a number is 12. What is the number?
  9. 9.Two tanks hold 45 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  10. 10.The ratio of boys to girls in a class is 3 : 8. There are 30 boys. How many girls are there?
  11. 11.Three temple bells ring every 8, 20 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.Which is closest to 1196 ÷ 19? (a) 30 (b) 60 (c) 120 (d) 600
  13. 13.What is 15% of 180?
  14. 14.Nisha scored 12 marks out of 80 in a test. What percentage did Nisha score?
  15. 15.Which of these numbers divides exactly by 3? (a) 2789 (b) 9310 (c) 9663 (d) 9893
  16. 16.Which of these numbers divides exactly by 4? (a) 3418 (b) 1126 (c) 9411 (d) 6436
  17. 17.49 − 63 ÷ 7 × 4 =
  18. 18.Write 1/2 as a percent.
  19. 19.How many factors does 67 have?
  20. 20.Kabir scored 23 marks out of 25 in a test. What percentage did Kabir score?
  21. 21.If 7 erasers cost ₹91, how much do 13 erasers cost (in ₹)?
  22. 22.53 − 63 ÷ 7 × 2 =
  23. 23.6 : 10 = 24 : ?
  24. 24.If 4 kites cost ₹148, how much do 19 kites cost (in ₹)?
  25. 25.Two tanks hold 25 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  26. 26.60 ÷ 5 × 5 + 4 =
  27. 27.Round 24.22 to one decimal place. =
  28. 28.4 × (22 − 18) + 42 ÷ 7 =
  29. 29.Farhan takes 36 seconds and Zoya takes 54 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?
  30. 30.How many factors does 96 have?
  31. 31.Round 49.32 to one decimal place. =
  32. 32.The ratio of boys to girls in a class is 5 : 4. There are 30 boys. How many girls are there?
  33. 33.Find the LCM of 8 and 14.
  34. 34.What is 20% of 85?
  35. 35.The HCF of two numbers is 7 and their LCM is 70. One of the numbers is 35. What is the other number?
  36. 36.Nisha scored 12 marks out of 25 in a test. What percentage did Nisha score?
  37. 37.A hall floor is 100 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  38. 38.What is the smallest number you must take away from 175 so that it divides exactly by 9?
  39. 39.12 + 4 × 11 − 1 =
  40. 40.18 ÷ 6 × 6 + 24 =

Answer key

  1. 12
  2. 360
  3. 73760
  4. 1008
  5. 440
  6. 24
  7. 1/12
  8. 15
  9. 5
  10. 80
  11. 40
  12. 60
  13. 27
  14. 15
  15. 9663
  16. 6436
  17. 13
  18. 50
  19. 2
  20. 92
  21. 169
  22. 35
  23. 40
  24. 703
  25. 5
  26. 64
  27. 24.2
  28. 22
  29. 108
  30. 12
  31. 49.3
  32. 24
  33. 56
  34. 17
  35. 14
  36. 48
  37. 12
  38. 4
  39. 55
  40. 42

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