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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 85 · 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 4 kg of rice costs ₹224, how many kg can you buy for ₹280?
  2. 2.17 + 3 × 12 − 5 =
  3. 3.Which is closest to 1598 ÷ 39? (a) 80 (b) 400 (c) 40 (d) 20
  4. 4.If 8 kg of rice costs ₹384, how many kg can you buy for ₹192?
  5. 5.Find the LCM of 12 and 9.
  6. 6.How many factors does 71 have?
  7. 7.3 × (28 − 26) + 24 ÷ 4 =
  8. 8.What is 25% of 212?
  9. 9.Which of these numbers divides exactly by 8? (a) 9081 (b) 4408 (c) 4058 (d) 6015
  10. 10.Write 1/2 as a percent.
  11. 11.A car goes 70 km on 7 litres of petrol. How far can it go on 3 litres (in km)?
  12. 12.Three temple bells ring every 4, 30 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.10 : 3 = 20 : ?
  14. 14.What percent of 20 is 11?
  15. 15.How many factors does 72 have?
  16. 16.Find the LCM of 2, 8 and 12.
  17. 17.What is the smallest number you must take away from 808 so that it divides exactly by 13?
  18. 18.9 : 15 = 72 : ?
  19. 19.Which is closest to 904 + 801 + 103? (a) 1800 (b) 1700 (c) 2000 (d) 1900
  20. 20.Which is closest to 592 ÷ 21? (a) 15 (b) 300 (c) 30 (d) 60
  21. 21.Which of these numbers divides exactly by 4? (a) 6214 (b) 9200 (c) 5079 (d) 3015
  22. 22.If 3 notebooks cost ₹78, how much do 17 notebooks cost (in ₹)?
  23. 23.4/6 − 4/9 =
  24. 24.2.71 + 3.2 =
  25. 25.Find the third proportional to 7 and 35 (that is, 7 : 35 = 35 : ?).
  26. 26.The HCF of two numbers is 3 and their LCM is 42. One of the numbers is 6. What is the other number?
  27. 27.60% of a number is 225. What is the number?
  28. 28.What is the smallest number you must take away from 658 so that it divides exactly by 12?
  29. 29.Which is closest to 793 ÷ 21? (a) 40 (b) 400 (c) 20 (d) 80
  30. 30.1/2 − 3/9 =
  31. 31.What is the smallest number you must add to 891 so that it divides exactly by 12?
  32. 32.Find the LCM of 9 and 8.
  33. 33.What is the smallest number you must add to 367 so that it divides exactly by 11?
  34. 34.Find the smallest number bigger than 6 that leaves a remainder of 3 when divided by 6, 5 or 4.
  35. 35.Find the HCF of 56 and 63.
  36. 36.Write 1/4 as a percent.
  37. 37.2/4 − 2/7 =
  38. 38.(3 + 16) × 8 − 9 =
  39. 39.8.91 + 3.4 =
  40. 40.1/8 + 9/10 =

Answer key

  1. 5
  2. 48
  3. 40
  4. 4
  5. 36
  6. 2
  7. 12
  8. 53
  9. 4408
  10. 50
  11. 30
  12. 120
  13. 6
  14. 55
  15. 12
  16. 24
  17. 2
  18. 120
  19. 1800
  20. 30
  21. 9200
  22. 442
  23. 2/9
  24. 5.91
  25. 175
  26. 21
  27. 375
  28. 10
  29. 40
  30. 1/6
  31. 9
  32. 72
  33. 7
  34. 63
  35. 7
  36. 25
  37. 3/14
  38. 143
  39. 12.31
  40. 41/40

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