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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 993 · 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 LCM of 2, 4 and 9.
  2. 2.What is the smallest number you must add to 215 so that it divides exactly by 12?
  3. 3.What percent of 40 is 6?
  4. 4.How many factors does 52 have?
  5. 5.14 ÷ 7 × 5 + 10 =
  6. 6.20% of a number is 40. What is the number?
  7. 7.Round 19990 to the nearest hundred.
  8. 8.18 ÷ 9 × 4 + 21 =
  9. 9.Find the LCM of 10, 9 and 2.
  10. 10.The HCF of two numbers is 9 and their LCM is 108. One of the numbers is 27. What is the other number?
  11. 11.Find the LCM of 10, 15 and 2.
  12. 12.66.6 ÷ 9 =
  13. 13.Which is closest to 1002 ÷ 51? (a) 40 (b) 10 (c) 20 (d) 200
  14. 14.A car goes 165 km on 11 litres of petrol. How far can it go on 6 litres (in km)?
  15. 15.57 ÷ 6 =
  16. 16.A hostel has enough food for 2 students for 19 days. How many days will the same food last for 19 students?
  17. 17.Three temple bells ring every 9, 6 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.A car goes 264 km on 12 litres of petrol. How far can it go on 32 litres (in km)?
  19. 19.Which is closest to 604 + 601 + 705? (a) 2000 (b) 2100 (c) 1900 (d) 1800
  20. 20.A car goes 114 km on 6 litres of petrol. How far can it go on 15 litres (in km)?
  21. 21.(6 + 11) × 6 − 29 =
  22. 22.A car goes 68 km on 4 litres of petrol. How far can it go on 6 litres (in km)?
  23. 23.(6 + 14) × 3 − 1 =
  24. 24.Find the LCM of 12, 10 and 3.
  25. 25.What is the smallest number you must take away from 348 so that it divides exactly by 7?
  26. 26.(7 + 13) × 2 − 19 =
  27. 27.Divide ₹336 between Ishaan and Rohan in the ratio 5 : 3. How much does Ishaan get (in ₹)?
  28. 28.Which is closest to 297 × 40? (Round each number first.) (a) 120000 (b) 1200 (c) 24000 (d) 12000
  29. 29.9 : 12 = 81 : ?
  30. 30.How many factors does 32 have?
  31. 31.The ratio of boys to girls in a class is 7 : 9. There are 63 boys. How many girls are there?
  32. 32.Pooja scored 1 marks out of 20 in a test. What percentage did Pooja score?
  33. 33.Divide ₹336 between Zoya and Karan in the ratio 2 : 5. How much does Karan get (in ₹)?
  34. 34.Three temple bells ring every 5, 24 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  35. 35.Which is closest to 502 + 705 + 401? (a) 1600 (b) 1800 (c) 1700 (d) 1500
  36. 36.2/4 − 3/7 =
  37. 37.How many factors does 87 have?
  38. 38.40 ÷ 4 × 3 + 30 =
  39. 39.4 : 11 = 28 : ?
  40. 40.Find the LCM of 9, 12 and 15.

Answer key

  1. 36
  2. 1
  3. 15
  4. 6
  5. 20
  6. 200
  7. 20000
  8. 29
  9. 90
  10. 36
  11. 30
  12. 7.4
  13. 20
  14. 90
  15. 9.5
  16. 2
  17. 90
  18. 704
  19. 1900
  20. 285
  21. 73
  22. 102
  23. 59
  24. 60
  25. 5
  26. 21
  27. 210
  28. 12000
  29. 108
  30. 6
  31. 81
  32. 5
  33. 240
  34. 120
  35. 1600
  36. 1/14
  37. 4
  38. 60
  39. 77
  40. 180

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