← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 810 · 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 percent of 50 is 21?
  2. 2.(18 + 3) × 6 − 24 =
  3. 3.What is the smallest number you must take away from 305 so that it divides exactly by 9?
  4. 4.What is the smallest number you must take away from 346 so that it divides exactly by 11?
  5. 5.Which is closest to 197 + 200 + 400? (a) 1000 (b) 700 (c) 800 (d) 900
  6. 6.Which is closest to 1809 ÷ 21? (a) 90 (b) 45 (c) 180 (d) 900
  7. 7.The HCF of two numbers is 6 and their LCM is 240. One of the numbers is 30. What is the other number?
  8. 8.What is 12% of 150?
  9. 9.Three temple bells ring every 5, 24 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  10. 10.Which is closest to 99 + 398 + 600? (a) 1000 (b) 1200 (c) 1300 (d) 1100
  11. 11.1/4 × 4/9 =
  12. 12.Tara scored 20 marks out of 80 in a test. What percentage did Tara score?
  13. 13.If 5 kg of rice costs ₹155, how many kg can you buy for ₹217?
  14. 14.2/3 of 21 + 4 × 8 =
  15. 15.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 3 students?
  16. 16.If 4 cricket balls cost ₹64, how much do 14 cricket balls cost (in ₹)?
  17. 17.How many factors does 59 have?
  18. 18.What is 25% of 324?
  19. 19.A car goes 176 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
  20. 20.Which is closest to 296 + 95 + 102? (a) 600 (b) 400 (c) 700 (d) 500
  21. 21.48 + 2 × 3 − 11 =
  22. 22.20% of a number is 9. What is the number?
  23. 23.The HCF of two numbers is 2 and their LCM is 72. One of the numbers is 8. What is the other number?
  24. 24.Two tanks hold 70 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  25. 25.(5 + 7) × 6 − 1 =
  26. 26.Which is closest to 2807 ÷ 39? (a) 35 (b) 140 (c) 700 (d) 70
  27. 27.What is 3/4 of 72 km?
  28. 28.Find the LCM of 36 and 32.
  29. 29.The HCF of two numbers is 2 and their LCM is 12. One of the numbers is 6. What is the other number?
  30. 30.How many factors does 25 have?
  31. 31.What is 5% of 520?
  32. 32.21 + 11 × 7 − 15 =
  33. 33.Two tanks hold 180 litres and 80 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  34. 34.Find the HCF of 63 and 28.
  35. 35.4/9 of 108 + 2 × 3 =
  36. 36.What is 5% of 580?
  37. 37.Round 28501 to the nearest thousand.
  38. 38.Find the LCM of 4, 13 and 6.
  39. 39.38.4 ÷ 8 =
  40. 40.Which of these numbers divides exactly by 4? (a) 7966 (b) 2336 (c) 5627 (d) 6946

Answer key

  1. 42
  2. 102
  3. 8
  4. 5
  5. 800
  6. 90
  7. 48
  8. 18
  9. 120
  10. 1100
  11. 1/9
  12. 25
  13. 7
  14. 46
  15. 25
  16. 224
  17. 2
  18. 81
  19. 616
  20. 500
  21. 43
  22. 45
  23. 18
  24. 10
  25. 71
  26. 70
  27. 54
  28. 288
  29. 4
  30. 3
  31. 26
  32. 83
  33. 20
  34. 7
  35. 54
  36. 29
  37. 29000
  38. 156
  39. 4.8
  40. 2336

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