← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 418 · 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. 1.24 − 42 ÷ 6 × 2 =
  2. 2.1/3 of 21 + 4 × 3 =
  3. 3.Round 33.41 to one decimal place. =
  4. 4.Which is closest to 602 × 18? (Round each number first.) (a) 1200 (b) 24000 (c) 12000 (d) 120000
  5. 5.17 − 25 ÷ 5 × 2 =
  6. 6.What is the smallest number you must take away from 659 so that it divides exactly by 9?
  7. 7.5% of a number is 17. What is the number?
  8. 8.If 12 bottles of juice cost ₹336, how much do 19 bottles of juice cost (in ₹)?
  9. 9.Write 13/25 as a percent.
  10. 10.What is 75% of 28?
  11. 11.Write 4/5 as a percent.
  12. 12.6/8 − 7/12 =
  13. 13.Find the LCM of 9 and 21.
  14. 14.What percent of 400 is 280?
  15. 15.Divide ₹161 between Zoya and Ananya in the ratio 2 : 5. How much does Zoya get (in ₹)?
  16. 16.Rahul scored 8 marks out of 80 in a test. What percentage did Rahul score?
  17. 17.What is 120% of 420?
  18. 18.A car goes 75 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
  19. 19.How many factors does 89 have?
  20. 20.The HCF of two numbers is 7 and their LCM is 84. One of the numbers is 28. What is the other number?
  21. 21.Find the LCM of 10, 3 and 6.
  22. 22.Which is closest to 796 + 503 + 196? (a) 1700 (b) 1400 (c) 1500 (d) 1600
  23. 23.Two tanks hold 250 litres and 300 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  24. 24.The ratio of boys to girls in a class is 7 : 6. There are 14 boys. How many girls are there?
  25. 25.Which is closest to 1203 ÷ 41? (a) 15 (b) 60 (c) 30 (d) 300
  26. 26.The HCF of two numbers is 2 and their LCM is 30. One of the numbers is 6. What is the other number?
  27. 27.6 : 11 = 18 : ?
  28. 28.13 + 10 × 3 − 6 =
  29. 29.Which of these numbers divides exactly by 6? (a) 4023 (b) 6891 (c) 1630 (d) 9960
  30. 30.Which is closest to 593 ÷ 31? (a) 40 (b) 200 (c) 20 (d) 10
  31. 31.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 8, 4 or 10.
  32. 32.Find the LCM of 3 and 7.
  33. 33.Three temple bells ring every 18, 12 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.40 − 63 ÷ 9 × 5 =
  35. 35.Three temple bells ring every 5, 6 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  36. 36.Kabir scored 10 marks out of 20 in a test. What percentage did Kabir score?
  37. 37.Find the HCF of 24 and 54.
  38. 38.Three temple bells ring every 4, 30 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.Find the LCM of 2 and 7.
  40. 40.12 ÷ 4 × 4 + 4 =

Answer key

  1. 10
  2. 19
  3. 33.4
  4. 12000
  5. 7
  6. 2
  7. 340
  8. 532
  9. 52
  10. 21
  11. 80
  12. 1/6
  13. 63
  14. 70
  15. 46
  16. 10
  17. 504
  18. 495
  19. 2
  20. 21
  21. 30
  22. 1500
  23. 50
  24. 12
  25. 30
  26. 10
  27. 33
  28. 37
  29. 9960
  30. 20
  31. 43
  32. 21
  33. 36
  34. 5
  35. 60
  36. 50
  37. 6
  38. 60
  39. 14
  40. 16

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