← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 834 · 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 2 kites cost ₹46, how much do 6 kites cost (in ₹)?
  2. 2.Divide ₹49 between Isha and Aarav in the ratio 1 : 6. How much does Isha get (in ₹)?
  3. 3.5/8 of 48 + 6 × 4 =
  4. 4.What percent of 200 is 156?
  5. 5.Find the LCM of 40 and 45.
  6. 6.24 ÷ 3 × 8 + 19 =
  7. 7.If 9 kg of rice costs ₹288, how many kg can you buy for ₹96?
  8. 8.32 ÷ 4 × 2 + 8 =
  9. 9.Round 81277 to the nearest ten.
  10. 10.Divide ₹810 between Kavya and Manav in the ratio 7 : 8. How much does Manav get (in ₹)?
  11. 11.A hostel has enough food for 8 students for 9 days. How many days will the same food last for 12 students?
  12. 12.How many factors does 88 have?
  13. 13.The HCF of two numbers is 8 and their LCM is 48. One of the numbers is 24. What is the other number?
  14. 14.Round 32.43 to one decimal place. =
  15. 15.Which is closest to 601 × 40? (Round each number first.) (a) 48000 (b) 240000 (c) 24000 (d) 2400
  16. 16.Which of these numbers divides exactly by 8? (a) 6672 (b) 4998 (c) 5260 (d) 7553
  17. 17.Find the HCF of 36 and 42.
  18. 18.13 + 8 × 5 − 5 =
  19. 19.What is the smallest number you must take away from 266 so that it divides exactly by 3?
  20. 20.Find the LCM of 15 and 25.
  21. 21.8 : 11 = 48 : ?
  22. 22.3/6 − 4/9 =
  23. 23.Which is closest to 497 × 18? (Round each number first.) (a) 20000 (b) 10000 (c) 100000 (d) 1000
  24. 24.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  25. 25.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  26. 26.Find the LCM of 8, 9 and 3.
  27. 27.What is 40% of 400?
  28. 28.Three temple bells ring every 4, 20 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  29. 29.Divide ₹235 between Arjun and Rohan in the ratio 2 : 3. How much does Arjun get (in ₹)?
  30. 30.Which of these numbers divides exactly by 6? (a) 2910 (b) 6575 (c) 1445 (d) 2699
  31. 31.How many factors does 63 have?
  32. 32.Two tanks hold 45 litres and 10 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  33. 33.If 4 kg of rice costs ₹112, how many kg can you buy for ₹168?
  34. 34.The HCF of two numbers is 5 and their LCM is 60. One of the numbers is 15. What is the other number?
  35. 35.1/3 of 12 + 4 × 4 =
  36. 36.If 10 kites cost ₹390, how much do 20 kites cost (in ₹)?
  37. 37.78 − 24 ÷ 4 × 7 =
  38. 38.The ratio of boys to girls in a class is 7 : 8. There are 14 boys. How many girls are there?
  39. 39.What is the smallest number you must take away from 330 so that it divides exactly by 12?
  40. 40.Write 1/5 as a percent.

Answer key

  1. 138
  2. 7
  3. 54
  4. 78
  5. 360
  6. 83
  7. 3
  8. 24
  9. 81280
  10. 432
  11. 6
  12. 8
  13. 16
  14. 32.4
  15. 24000
  16. 6672
  17. 6
  18. 48
  19. 2
  20. 75
  21. 66
  22. 1/18
  23. 10000
  24. 63
  25. 32
  26. 72
  27. 160
  28. 60
  29. 94
  30. 2910
  31. 6
  32. 5
  33. 6
  34. 20
  35. 20
  36. 780
  37. 36
  38. 16
  39. 6
  40. 20

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