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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 748 · 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.Priya scored 44 marks out of 80 in a test. What percentage did Priya score?
  2. 2.The ratio of boys to girls in a class is 1 : 3. There are 10 boys. How many girls are there?
  3. 3.2/3 − 4/9 =
  4. 4.Which is closest to 100 + 303 + 695? (a) 1000 (b) 1300 (c) 1200 (d) 1100
  5. 5.What is 5% of 380?
  6. 6.Divide ₹222 between Tara and Isha in the ratio 1 : 5. How much does Tara get (in ₹)?
  7. 7.If 3 notebooks cost ₹33, how much do 16 notebooks cost (in ₹)?
  8. 8.10/11 + 1/2 =
  9. 9.What percent of 80 is 48?
  10. 10.5 × (13 − 2) + 48 ÷ 8 =
  11. 11.Round 28410 to the nearest thousand.
  12. 12.Find the LCM of 10, 8 and 2.
  13. 13.Round 98725 to the nearest hundred.
  14. 14.What is 1/3 of 15 km?
  15. 15.Which is closest to 998 ÷ 49? (a) 10 (b) 200 (c) 40 (d) 20
  16. 16.Which is closest to 298 × 18? (Round each number first.) (a) 600 (b) 60000 (c) 12000 (d) 6000
  17. 17.A hostel has enough food for 7 students for 9 days. How many days will the same food last for 3 students?
  18. 18.Divide ₹45 between Sneha and Isha in the ratio 5 : 4. How much does Isha get (in ₹)?
  19. 19.1.5 × 3 =
  20. 20.Round 63.58 to one decimal place. =
  21. 21.Write 1/5 as a percent.
  22. 22.Find the LCM of 5 and 3.
  23. 23.46 + 6 × 2 − 24 =
  24. 24.Find the LCM of 7, 8 and 6.
  25. 25.Find the LCM of 10, 11 and 2.
  26. 26.Which of these numbers divides exactly by 3? (a) 3011 (b) 4607 (c) 3615 (d) 3839
  27. 27.Find the LCM of 3, 4 and 13.
  28. 28.The ratio of boys to girls in a class is 1 : 3. There are 2 boys. How many girls are there?
  29. 29.Which is closest to 297 + 700 + 295? (a) 1400 (b) 1300 (c) 1500 (d) 1200
  30. 30.How many factors does 52 have?
  31. 31.What percent of 25 is 1?
  32. 32.25 − 18 ÷ 2 × 2 =
  33. 33.Find the HCF of 28 and 21.
  34. 34.How many factors does 23 have?
  35. 35.Three temple bells ring every 12, 4 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  36. 36.Which is closest to 397 ÷ 21? (a) 10 (b) 20 (c) 40 (d) 200
  37. 37.Find the HCF of 126 and 28.
  38. 38.Two tanks hold 20 litres and 70 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.8.89 + 6.1 =
  40. 40.A hall floor is 140 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 55
  2. 30
  3. 2/9
  4. 1100
  5. 19
  6. 37
  7. 176
  8. 31/22
  9. 60
  10. 61
  11. 28000
  12. 40
  13. 98700
  14. 5
  15. 20
  16. 6000
  17. 21
  18. 20
  19. 4.5
  20. 63.6
  21. 20
  22. 15
  23. 34
  24. 168
  25. 110
  26. 3615
  27. 156
  28. 6
  29. 1300
  30. 6
  31. 4
  32. 7
  33. 7
  34. 2
  35. 36
  36. 20
  37. 14
  38. 10
  39. 14.99
  40. 21

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