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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 595 · 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.Which of these numbers divides exactly by 8? (a) 9723 (b) 5349 (c) 8744 (d) 5246
  2. 2.Meera takes 75 seconds and Ishaan takes 60 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?
  3. 3.Round 9264 to the nearest hundred.
  4. 4.(2 + 5) × 2 − 11 =
  5. 5.Which is closest to 299 + 100 + 605? (a) 900 (b) 1000 (c) 1100 (d) 1200
  6. 6.What percent of 80 is 32?
  7. 7.Three temple bells ring every 8, 4 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  8. 8.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 3, 8 or 6.
  9. 9.5 × (12 − 4) + 6 ÷ 3 =
  10. 10.20% of a number is 28. What is the number?
  11. 11.What is the smallest number you must take away from 631 so that it divides exactly by 13?
  12. 12.If 2 kg of rice costs ₹66, how many kg can you buy for ₹264?
  13. 13.40.5 ÷ 9 =
  14. 14.Round 48.17 to one decimal place. =
  15. 15.What is the smallest number you must add to 582 so that it divides exactly by 12?
  16. 16.5/6 × 6/7 =
  17. 17.Which is closest to 404 × 40? (Round each number first.) (a) 16000 (b) 32000 (c) 160000 (d) 1600
  18. 18.How many factors does 29 have?
  19. 19.What is 75% of 436?
  20. 20.Which is closest to 897 × 21? (Round each number first.) (a) 36000 (b) 18000 (c) 1800 (d) 180000
  21. 21.Meera takes 80 seconds and Sneha takes 60 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?
  22. 22.30% of a number is 9. What is the number?
  23. 23.6 : 9 = 48 : ?
  24. 24.(6 + 4) × 9 − 18 =
  25. 25.10 painters can paint a school in 5 days. How many days would 2 painters take, working at the same speed?
  26. 26.Which is closest to 898 + 95 + 500? (a) 1600 (b) 1400 (c) 1700 (d) 1500
  27. 27.15 ÷ 3 × 8 + 17 =
  28. 28.Divide ₹84 between Ananya and Priya in the ratio 6 : 1. How much does Priya get (in ₹)?
  29. 29.Round 54100 to the nearest thousand.
  30. 30.How many factors does 76 have?
  31. 31.A hostel has enough food for 7 students for 26 days. How many days will the same food last for 14 students?
  32. 32.Find the HCF of 63 and 14.
  33. 33.11 : 2 = 33 : ?
  34. 34.What is the smallest number you must add to 282 so that it divides exactly by 12?
  35. 35.9 : 7 = 72 : ?
  36. 36.(14 + 8) × 7 − 8 =
  37. 37.1/3 of 12 + 7 × 6 =
  38. 38.Which is closest to 2702 ÷ 29? (a) 180 (b) 90 (c) 900 (d) 45
  39. 39.Find the third proportional to 5 and 20 (that is, 5 : 20 = 20 : ?).
  40. 40.If 7 pens cost ₹105, how much do 8 pens cost (in ₹)?

Answer key

  1. 8744
  2. 300
  3. 9300
  4. 3
  5. 1000
  6. 40
  7. 72
  8. 25
  9. 42
  10. 140
  11. 7
  12. 8
  13. 4.5
  14. 48.2
  15. 6
  16. 5/7
  17. 16000
  18. 2
  19. 327
  20. 18000
  21. 240
  22. 30
  23. 72
  24. 72
  25. 25
  26. 1500
  27. 57
  28. 12
  29. 54000
  30. 6
  31. 13
  32. 7
  33. 6
  34. 6
  35. 56
  36. 146
  37. 46
  38. 90
  39. 80
  40. 120

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