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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 422 · 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.(3 + 4) × 8 − 24 =
  2. 2.Find the LCM of 32 and 12.
  3. 3.Find the LCM of 4 and 9.
  4. 4.Which is closest to 496 + 300 + 496? (a) 1500 (b) 1200 (c) 1400 (d) 1300
  5. 5.Round 72.36 to one decimal place. =
  6. 6.If 4 bottles of juice cost ₹164, how much do 7 bottles of juice cost (in ₹)?
  7. 7.Write 4/5 as a percent.
  8. 8.31.5 ÷ 5 =
  9. 9.4/5 − 1/6 =
  10. 10.21 − 64 ÷ 8 × 2 =
  11. 11.Divide ₹770 between Farhan and Vivaan in the ratio 9 : 5. How much does Farhan get (in ₹)?
  12. 12.Which of these numbers divides exactly by 8? (a) 8665 (b) 6482 (c) 5068 (d) 8112
  13. 13.4/11 + 3/4 =
  14. 14.What is 6/7 of 49 students?
  15. 15.Find the LCM of 20 and 36.
  16. 16.Round 15.34 to one decimal place. =
  17. 17.What is the smallest number you must take away from 679 so that it divides exactly by 6?
  18. 18.What is 30% of 170?
  19. 19.Find the third proportional to 9 and 36 (that is, 9 : 36 = 36 : ?).
  20. 20.If 4 kg of rice costs ₹292, how many kg can you buy for ₹803?
  21. 21.Which of these numbers divides exactly by 6? (a) 9607 (b) 1122 (c) 6339 (d) 8275
  22. 22.Find the LCM of 10, 2 and 9.
  23. 23.(6 + 13) × 3 − 15 =
  24. 24.What is 80% of 20?
  25. 25.Which of these numbers divides exactly by 6? (a) 1408 (b) 1531 (c) 1392 (d) 9136
  26. 26.Which of these numbers divides exactly by 4? (a) 6496 (b) 6291 (c) 7126 (d) 8767
  27. 27.Find the HCF of 18 and 24.
  28. 28.57 − 63 ÷ 9 × 7 =
  29. 29.8 × (25 − 10) + 12 ÷ 2 =
  30. 30.Which is closest to 595 + 298 + 596? (a) 1600 (b) 1700 (c) 1500 (d) 1400
  31. 31.Find the LCM of 35 and 15.
  32. 32.What is 80% of 450?
  33. 33.Find the HCF of 21 and 27.
  34. 34.2/3 − 4/7 =
  35. 35.If 2 mangoes cost ₹108, how much do 14 mangoes cost (in ₹)?
  36. 36.What is the smallest number you must take away from 653 so that it divides exactly by 4?
  37. 37.(11 + 17) × 9 − 26 =
  38. 38.A hostel has enough food for 4 students for 22 days. How many days will the same food last for 8 students?
  39. 39.What is 30% of 160?
  40. 40.Find the LCM of 3, 6 and 4.

Answer key

  1. 32
  2. 96
  3. 36
  4. 1300
  5. 72.4
  6. 287
  7. 80
  8. 6.3
  9. 19/30
  10. 5
  11. 495
  12. 8112
  13. 49/44
  14. 42
  15. 180
  16. 15.3
  17. 1
  18. 51
  19. 144
  20. 11
  21. 1122
  22. 90
  23. 42
  24. 16
  25. 1392
  26. 6496
  27. 6
  28. 8
  29. 126
  30. 1500
  31. 105
  32. 360
  33. 3
  34. 2/21
  35. 756
  36. 1
  37. 226
  38. 11
  39. 48
  40. 12

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