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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 513 · 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.Aditya scored 15 marks out of 50 in a test. What percentage did Aditya score?
  2. 2.A hostel has enough food for 5 students for 22 days. How many days will the same food last for 11 students?
  3. 3.19.8 ÷ 3 =
  4. 4.What is the smallest number you must add to 552 so that it divides exactly by 13?
  5. 5.A hall floor is 240 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  6. 6.Find the LCM of 10, 7 and 2.
  7. 7.Three temple bells ring every 4, 6 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  8. 8.Find the LCM of 8, 6 and 9.
  9. 9.(12 + 9) × 8 − 18 =
  10. 10.What percent of 50 is 26?
  11. 11.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?
  12. 12.18 + 7 × 7 − 3 =
  13. 13.Three temple bells ring every 4, 8 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.What percent of 500 is 480?
  15. 15.A car goes 180 km on 9 litres of petrol. How far can it go on 15 litres (in km)?
  16. 16.7 × (29 − 9) + 9 ÷ 3 =
  17. 17.Three temple bells ring every 15, 6 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.12% of a number is 51. What is the number?
  19. 19.Which of these numbers divides exactly by 6? (a) 5910 (b) 8057 (c) 9837 (d) 9790
  20. 20.2/3 of 18 + 8 × 3 =
  21. 21.Round 41.72 to one decimal place. =
  22. 22.Three temple bells ring every 20, 4 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.Find the HCF of 36 and 60.
  24. 24.Round 21.41 to one decimal place. =
  25. 25.56 ÷ 8 × 4 + 24 =
  26. 26.Find the HCF of 8 and 36.
  27. 27.Kabir scored 16 marks out of 80 in a test. What percentage did Kabir score?
  28. 28.If 7 cricket balls cost ₹35, how much do 15 cricket balls cost (in ₹)?
  29. 29.Find the LCM of 30 and 36.
  30. 30.1/3 of 27 + 5 × 8 =
  31. 31.If 11 erasers cost ₹264, how much do 12 erasers cost (in ₹)?
  32. 32.A hostel has enough food for 10 students for 25 days. How many days will the same food last for 5 students?
  33. 33.What is the smallest number you must take away from 800 so that it divides exactly by 13?
  34. 34.What percent of 250 is 30?
  35. 35.Which is closest to 994 ÷ 19? (a) 50 (b) 500 (c) 100 (d) 25
  36. 36.Write 19/20 as a percent.
  37. 37.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 10, 8 or 3.
  38. 38.Find the LCM of 4, 5 and 7.
  39. 39.Find the HCF of 20 and 12.
  40. 40.The HCF of two numbers is 6 and their LCM is 168. One of the numbers is 42. What is the other number?

Answer key

  1. 30
  2. 10
  3. 6.6
  4. 7
  5. 30
  6. 70
  7. 60
  8. 72
  9. 150
  10. 52
  11. 6
  12. 64
  13. 40
  14. 96
  15. 300
  16. 143
  17. 90
  18. 425
  19. 5910
  20. 36
  21. 41.7
  22. 60
  23. 12
  24. 21.4
  25. 52
  26. 4
  27. 20
  28. 75
  29. 180
  30. 49
  31. 288
  32. 50
  33. 7
  34. 12
  35. 50
  36. 95
  37. 121
  38. 140
  39. 4
  40. 24

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