← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 240 · 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.What is the smallest number you must add to 389 so that it divides exactly by 13?
  2. 2.What is the smallest number you must take away from 924 so that it divides exactly by 8?
  3. 3.A hostel has enough food for 11 students for 9 days. How many days will the same food last for 9 students?
  4. 4.Find the HCF of 98 and 42.
  5. 5.3/4 − 2/5 =
  6. 6.If 7 erasers cost ₹287, how much do 14 erasers cost (in ₹)?
  7. 7.Three temple bells ring every 30, 20 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  8. 8.Which is closest to 600 × 71? (Round each number first.) (a) 84000 (b) 420000 (c) 4200 (d) 42000
  9. 9.Find the LCM of 2, 11 and 8.
  10. 10.Three temple bells ring every 12, 9 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  11. 11.What is the smallest number you must add to 640 so that it divides exactly by 12?
  12. 12.1/3 + 1/2 =
  13. 13.10 : 9 = 50 : ?
  14. 14.Divide ₹72 between Pooja and Arjun in the ratio 2 : 7. How much does Pooja get (in ₹)?
  15. 15.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  16. 16.16 ÷ 8 × 9 + 4 =
  17. 17.3 painters can paint a school in 26 days. How many days would 2 painters take, working at the same speed?
  18. 18.Find the HCF of 9 and 6.
  19. 19.Which is closest to 97 + 97 + 104? (a) 200 (b) 500 (c) 400 (d) 300
  20. 20.The ratio of boys to girls in a class is 5 : 6. There are 50 boys. How many girls are there?
  21. 21.(2 + 17) × 6 − 27 =
  22. 22.9.8 × 2 =
  23. 23.Find the LCM of 14, 7 and 4.
  24. 24.If 6 kg of rice costs ₹216, how many kg can you buy for ₹324?
  25. 25.Which of these numbers divides exactly by 9? (a) 1457 (b) 4775 (c) 3096 (d) 7408
  26. 26.What is the smallest number you must take away from 227 so that it divides exactly by 4?
  27. 27.Find the HCF of 10 and 14.
  28. 28.A car goes 88 km on 4 litres of petrol. How far can it go on 2 litres (in km)?
  29. 29.What is the smallest number you must take away from 639 so that it divides exactly by 12?
  30. 30.2.86 + 8.9 =
  31. 31.1/10 × 1/2 =
  32. 32.10/12 + 3/5 =
  33. 33.Round 46.77 to one decimal place. =
  34. 34.How many factors does 15 have?
  35. 35.2 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
  36. 36.12 : 2 = 108 : ?
  37. 37.Find the LCM of 10 and 12.
  38. 38.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 5, 4 or 8.
  39. 39.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 4, 10 or 12.
  40. 40.If 7 kites cost ₹399, how much do 8 kites cost (in ₹)?

Answer key

  1. 1
  2. 4
  3. 11
  4. 14
  5. 7/20
  6. 574
  7. 60
  8. 42000
  9. 88
  10. 36
  11. 8
  12. 5/6
  13. 45
  14. 16
  15. 18
  16. 22
  17. 39
  18. 3
  19. 300
  20. 60
  21. 87
  22. 19.6
  23. 28
  24. 9
  25. 3096
  26. 3
  27. 2
  28. 44
  29. 3
  30. 11.76
  31. 1/20
  32. 43/30
  33. 46.8
  34. 4
  35. 2
  36. 18
  37. 60
  38. 41
  39. 61
  40. 456

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude