← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 744 · 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. 1.42 − 10 ÷ 2 × 7 =
  2. 2.A hall floor is 90 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  3. 3.Which is closest to 301 + 198 + 198? (a) 700 (b) 900 (c) 800 (d) 600
  4. 4.Which is closest to 899 + 704 + 799? (a) 2600 (b) 2400 (c) 2500 (d) 2300
  5. 5.What is 1/9 of ₹270?
  6. 6.Three temple bells ring every 30, 10 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  7. 7.If 4 kg of rice costs ₹320, how many kg can you buy for ₹400?
  8. 8.2 : 13 = 14 : ?
  9. 9.Find the HCF of 10 and 4.
  10. 10.A hall floor is 140 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  11. 11.What is 120% of 300?
  12. 12.Write 1/4 as a percent.
  13. 13.What percent of 50 is 49?
  14. 14.How many factors does 95 have?
  15. 15.Which is closest to 697 × 90? (Round each number first.) (a) 126000 (b) 63000 (c) 6300 (d) 630000
  16. 16.A car goes 168 km on 7 litres of petrol. How far can it go on 22 litres (in km)?
  17. 17.2.5 × 9 =
  18. 18.A car goes 60 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
  19. 19.Find the LCM of 6 and 21.
  20. 20.If 2 notebooks cost ₹86, how much do 3 notebooks cost (in ₹)?
  21. 21.(11 + 10) × 4 − 15 =
  22. 22.Write 13/50 as a percent.
  23. 23.Which is closest to 797 + 402 + 695? (a) 1900 (b) 2000 (c) 2100 (d) 1800
  24. 24.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  25. 25.1/2 × 5/10 =
  26. 26.Three temple bells ring every 18, 10 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.Which of these numbers divides exactly by 9? (a) 7129 (b) 7617 (c) 3357 (d) 6103
  28. 28.What is the smallest number you must take away from 617 so that it divides exactly by 3?
  29. 29.What is 80% of 270?
  30. 30.(6 + 3) × 7 − 22 =
  31. 31.If 2 kg of rice costs ₹148, how many kg can you buy for ₹666?
  32. 32.The ratio of boys to girls in a class is 7 : 8. There are 35 boys. How many girls are there?
  33. 33.2 : 11 = 16 : ?
  34. 34.3/4 + 7/10 =
  35. 35.If 8 kg of rice costs ₹400, how many kg can you buy for ₹250?
  36. 36.How many factors does 38 have?
  37. 37.What is the smallest number you must add to 808 so that it divides exactly by 3?
  38. 38.7.05 + 6.4 =
  39. 39.Find the LCM of 15 and 40.
  40. 40.Round 50953 to the nearest ten.

Answer key

  1. 7
  2. 6
  3. 700
  4. 2400
  5. 30
  6. 90
  7. 5
  8. 91
  9. 2
  10. 14
  11. 360
  12. 25
  13. 98
  14. 4
  15. 63000
  16. 528
  17. 22.5
  18. 585
  19. 42
  20. 129
  21. 69
  22. 26
  23. 1900
  24. 32
  25. 1/4
  26. 90
  27. 3357
  28. 2
  29. 216
  30. 41
  31. 9
  32. 40
  33. 88
  34. 29/20
  35. 5
  36. 4
  37. 2
  38. 13.45
  39. 120
  40. 50950

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