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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 419 · 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. 1.45 ÷ 5 × 4 + 23 =
  2. 2.Divide ₹90 between Meera and Pooja in the ratio 2 : 3. How much does Meera get (in ₹)?
  3. 3.How many factors does 21 have?
  4. 4.What is the smallest number you must add to 619 so that it divides exactly by 9?
  5. 5.Which of these numbers divides exactly by 6? (a) 9630 (b) 5701 (c) 1282 (d) 4647
  6. 6.What is the smallest number you must take away from 856 so that it divides exactly by 9?
  7. 7.2 : 13 = 4 : ?
  8. 8.The ratio of boys to girls in a class is 4 : 3. There are 28 boys. How many girls are there?
  9. 9.A hall floor is 90 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  10. 10.Three temple bells ring every 8, 6 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  11. 11.3.5 × 4 =
  12. 12.3 × (30 − 22) + 14 ÷ 7 =
  13. 13.10 ÷ 5 × 3 + 3 =
  14. 14.5/7 + 1/3 =
  15. 15.6.68 + 1.5 =
  16. 16.11/12 − 1/2 =
  17. 17.Round 76.13 to one decimal place. =
  18. 18.5/7 − 1/4 =
  19. 19.6/8 − 6/11 =
  20. 20.5/6 of 66 + 5 × 5 =
  21. 21.(18 + 13) × 5 − 5 =
  22. 22.63 ÷ 9 × 3 + 13 =
  23. 23.Find the LCM of 8, 7 and 14.
  24. 24.60% of a number is 51. What is the number?
  25. 25.Three temple bells ring every 20, 8 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.If 2 kg of rice costs ₹178, how many kg can you buy for ₹1068?
  27. 27.A hall floor is 60 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  28. 28.(6 + 2) × 8 − 20 =
  29. 29.What is 3/10 of 40 students?
  30. 30.What percent of 500 is 85?
  31. 31.If 4 kg of rice costs ₹308, how many kg can you buy for ₹924?
  32. 32.Find the smallest number bigger than 15 that leaves a remainder of 3 when divided by 15, 8 or 6.
  33. 33.Divide ₹649 between Farhan and Priya in the ratio 9 : 2. How much does Priya get (in ₹)?
  34. 34.Round 76.68 to one decimal place. =
  35. 35.Three temple bells ring every 8, 10 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  36. 36.The HCF of two numbers is 7 and their LCM is 196. One of the numbers is 49. What is the other number?
  37. 37.The HCF of two numbers is 6 and their LCM is 60. One of the numbers is 12. What is the other number?
  38. 38.Diya scored 24 marks out of 25 in a test. What percentage did Diya score?
  39. 39.What is 150% of 160?
  40. 40.How many factors does 54 have?

Answer key

  1. 59
  2. 36
  3. 4
  4. 2
  5. 9630
  6. 1
  7. 26
  8. 21
  9. 6
  10. 24
  11. 14
  12. 26
  13. 9
  14. 22/21
  15. 8.18
  16. 5/12
  17. 76.1
  18. 13/28
  19. 9/44
  20. 80
  21. 150
  22. 34
  23. 56
  24. 85
  25. 40
  26. 12
  27. 6
  28. 44
  29. 12
  30. 17
  31. 12
  32. 123
  33. 118
  34. 76.7
  35. 120
  36. 28
  37. 30
  38. 96
  39. 240
  40. 8

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