← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 66 · 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.How many factors does 26 have?
  2. 2.Which is closest to 98 + 198 + 303? (a) 500 (b) 700 (c) 800 (d) 600
  3. 3.Find the HCF of 56 and 48.
  4. 4.Find the HCF of 104 and 39.
  5. 5.The HCF of two numbers is 9 and their LCM is 162. One of the numbers is 18. What is the other number?
  6. 6.7/8 + 1/6 =
  7. 7.36 + 9 × 3 − 2 =
  8. 8.Find the HCF of 56 and 64.
  9. 9.Priya takes 36 seconds and Aarav takes 45 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?
  10. 10.Find the HCF of 45 and 60.
  11. 11.What percent of 80 is 48?
  12. 12.Find the LCM of 20 and 32.
  13. 13.The HCF of two numbers is 7 and their LCM is 105. One of the numbers is 35. What is the other number?
  14. 14.Round 7337 to the nearest thousand.
  15. 15.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 15 students?
  16. 16.Which is closest to 205 + 302 + 298? (a) 900 (b) 800 (c) 1000 (d) 700
  17. 17.3 : 13 = 18 : ?
  18. 18.1/4 + 1/2 =
  19. 19.22.2 ÷ 6 =
  20. 20.Which of these numbers divides exactly by 11? (a) 9724 (b) 8242 (c) 7322 (d) 5447
  21. 21.What is the smallest number you must take away from 866 so that it divides exactly by 13?
  22. 22.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 5, 15 or 9.
  23. 23.(12 + 5) × 9 − 17 =
  24. 24.A car goes 70 km on 5 litres of petrol. How far can it go on 11 litres (in km)?
  25. 25.What percent of 40 is 36?
  26. 26.Nisha takes 40 seconds and Arjun takes 45 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?
  27. 27.What is 30% of 200?
  28. 28.How many factors does 91 have?
  29. 29.Diya takes 90 seconds and Vivaan takes 72 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 29 have?
  31. 31.If 7 notebooks cost ₹119, how much do 17 notebooks cost (in ₹)?
  32. 32.Which is closest to 305 + 403 + 798? (a) 1700 (b) 1500 (c) 1600 (d) 1400
  33. 33.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
  34. 34.6 : 8 = 12 : ?
  35. 35.Round 49564 to the nearest hundred.
  36. 36.72 ÷ 9 × 4 + 4 =
  37. 37.Round 66.22 to one decimal place. =
  38. 38.Round 11.48 to one decimal place. =
  39. 39.What is 30% of 490?
  40. 40.Which is closest to 1192 ÷ 41? (a) 300 (b) 60 (c) 30 (d) 15

Answer key

  1. 4
  2. 600
  3. 8
  4. 13
  5. 81
  6. 25/24
  7. 61
  8. 8
  9. 180
  10. 15
  11. 60
  12. 160
  13. 21
  14. 7000
  15. 10
  16. 800
  17. 78
  18. 3/4
  19. 3.7
  20. 9724
  21. 8
  22. 46
  23. 136
  24. 154
  25. 90
  26. 360
  27. 60
  28. 4
  29. 360
  30. 2
  31. 289
  32. 1500
  33. 125
  34. 16
  35. 49600
  36. 36
  37. 66.2
  38. 11.5
  39. 147
  40. 30

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