← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 844 · 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.Find the smallest number bigger than 8 that leaves a remainder of 2 when divided by 3, 5 or 8.
  2. 2.Round 21244 to the nearest ten.
  3. 3.9 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
  4. 4.Find the HCF of 24 and 42.
  5. 5.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 9, 6 or 8.
  6. 6.Round 39.06 to one decimal place. =
  7. 7.Which is closest to 398 × 38? (Round each number first.) (a) 1600 (b) 160000 (c) 32000 (d) 16000
  8. 8.What is 12% of 325?
  9. 9.1/4 + 3/8 =
  10. 10.Find the HCF of 4 and 14.
  11. 11.Write 18/25 as a percent.
  12. 12.Write 1/2 as a percent.
  13. 13.What is 25% of 124?
  14. 14.Find the LCM of 16 and 18.
  15. 15.Round 33.66 to one decimal place. =
  16. 16.Which is closest to 1506 ÷ 49? (a) 30 (b) 300 (c) 60 (d) 15
  17. 17.Which of these numbers divides exactly by 3? (a) 8638 (b) 9021 (c) 2062 (d) 4993
  18. 18.What is 120% of 515?
  19. 19.4.39 + 2.6 =
  20. 20.Zoya takes 72 seconds and Arjun takes 30 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?
  21. 21.A hall floor is 200 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  22. 22.The HCF of two numbers is 2 and their LCM is 12. One of the numbers is 4. What is the other number?
  23. 23.Nisha scored 12 marks out of 40 in a test. What percentage did Nisha score?
  24. 24.Three temple bells ring every 8, 12 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  25. 25.Which of these numbers divides exactly by 11? (a) 8495 (b) 3564 (c) 1503 (d) 9627
  26. 26.The ratio of boys to girls in a class is 9 : 5. There are 81 boys. How many girls are there?
  27. 27.Write 11/20 as a percent.
  28. 28.9.8 × 3 =
  29. 29.What is 5/9 of 171 km?
  30. 30.A car goes 110 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
  31. 31.The HCF of two numbers is 9 and their LCM is 270. One of the numbers is 45. What is the other number?
  32. 32.What percent of 400 is 160?
  33. 33.Three temple bells ring every 12, 20 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  34. 34.If 12 bottles of juice cost ₹180, how much do 4 bottles of juice cost (in ₹)?
  35. 35.Find the LCM of 2 and 5.
  36. 36.70 ÷ 7 × 7 + 27 =
  37. 37.Write 1/10 as a percent.
  38. 38.Round 33.46 to one decimal place. =
  39. 39.Round 40.32 to one decimal place. =
  40. 40.Divide ₹84 between Ishaan and Diya in the ratio 6 : 1. How much does Ishaan get (in ₹)?

Answer key

  1. 122
  2. 21240
  3. 36
  4. 6
  5. 73
  6. 39.1
  7. 16000
  8. 39
  9. 5/8
  10. 2
  11. 72
  12. 50
  13. 31
  14. 144
  15. 33.7
  16. 30
  17. 9021
  18. 618
  19. 6.99
  20. 360
  21. 10
  22. 6
  23. 30
  24. 120
  25. 3564
  26. 45
  27. 55
  28. 29.4
  29. 95
  30. 363
  31. 54
  32. 40
  33. 120
  34. 60
  35. 10
  36. 97
  37. 10
  38. 33.5
  39. 40.3
  40. 72

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