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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 143 · 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 75% of 204?
  2. 2.12 : 9 = 24 : ?
  3. 3.52 − 18 ÷ 3 × 7 =
  4. 4.Which of these numbers divides exactly by 3? (a) 5246 (b) 5486 (c) 2820 (d) 5986
  5. 5.If 7 kg of rice costs ₹154, how many kg can you buy for ₹132?
  6. 6.Divide ₹243 between Farhan and Rohan in the ratio 4 : 5. How much does Rohan get (in ₹)?
  7. 7.What percent of 400 is 100?
  8. 8.6.4 × 6 =
  9. 9.Divide ₹135 between Nisha and Saanvi in the ratio 2 : 1. How much does Saanvi get (in ₹)?
  10. 10.A car goes 165 km on 11 litres of petrol. How far can it go on 31 litres (in km)?
  11. 11.8 : 5 = 32 : ?
  12. 12.Which is closest to 698 × 69? (Round each number first.) (a) 4900 (b) 49000 (c) 98000 (d) 490000
  13. 13.What percent of 40 is 10?
  14. 14.Divide ₹88 between Kabir and Ananya in the ratio 2 : 9. How much does Kabir get (in ₹)?
  15. 15.Find the HCF of 44 and 55.
  16. 16.Which of these numbers divides exactly by 8? (a) 2696 (b) 2765 (c) 4660 (d) 4788
  17. 17.2 : 14 = 16 : ?
  18. 18.If 9 mangoes cost ₹486, how much do 14 mangoes cost (in ₹)?
  19. 19.Which is closest to 697 + 897 + 95? (a) 1700 (b) 1900 (c) 1800 (d) 1600
  20. 20.What percent of 500 is 305?
  21. 21.Which is closest to 296 × 90? (Round each number first.) (a) 2700 (b) 270000 (c) 27000 (d) 54000
  22. 22.48 ÷ 4 × 9 + 27 =
  23. 23.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 10, 15 or 5.
  24. 24.The HCF of two numbers is 2 and their LCM is 56. One of the numbers is 8. What is the other number?
  25. 25.64 − 63 ÷ 9 × 4 =
  26. 26.12 : 9 = 48 : ?
  27. 27.Which of these numbers divides exactly by 9? (a) 2223 (b) 6959 (c) 1753 (d) 4794
  28. 28.Find the LCM of 2, 12 and 4.
  29. 29.Isha takes 40 seconds and Aditya 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?
  30. 30.How many factors does 34 have?
  31. 31.The HCF of two numbers is 6 and their LCM is 36. One of the numbers is 12. What is the other number?
  32. 32.15% of a number is 6. What is the number?
  33. 33.Write 7/25 as a percent.
  34. 34.Find the LCM of 45 and 10.
  35. 35.6/8 − 2/3 =
  36. 36.Find the LCM of 4 and 6.
  37. 37.Find the LCM of 11, 2 and 9.
  38. 38.8 : 11 = 40 : ?
  39. 39.What is 30% of 70?
  40. 40.40 ÷ 5 × 5 + 1 =

Answer key

  1. 153
  2. 18
  3. 10
  4. 2820
  5. 6
  6. 135
  7. 25
  8. 38.4
  9. 45
  10. 465
  11. 20
  12. 49000
  13. 25
  14. 16
  15. 11
  16. 2696
  17. 112
  18. 756
  19. 1700
  20. 61
  21. 27000
  22. 135
  23. 31
  24. 14
  25. 36
  26. 36
  27. 2223
  28. 12
  29. 120
  30. 4
  31. 18
  32. 40
  33. 28
  34. 90
  35. 1/12
  36. 12
  37. 198
  38. 55
  39. 21
  40. 41

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