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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 977 · 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.What is 20% of 480?
  2. 2.Pooja takes 40 seconds and Manav takes 72 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?
  3. 3.Which is closest to 897 × 19? (Round each number first.) (a) 1800 (b) 36000 (c) 180000 (d) 18000
  4. 4.Which is closest to 2096 ÷ 29? (a) 35 (b) 700 (c) 140 (d) 70
  5. 5.Round 41.86 to one decimal place. =
  6. 6.6/9 − 1/10 =
  7. 7.Round 1698 to the nearest hundred.
  8. 8.A car goes 110 km on 5 litres of petrol. How far can it go on 38 litres (in km)?
  9. 9.150% of a number is 246. What is the number?
  10. 10.The HCF of two numbers is 7 and their LCM is 168. One of the numbers is 21. What is the other number?
  11. 11.Find the LCM of 6 and 8.
  12. 12.What is 1/3 of 75 kg?
  13. 13.4/5 of 15 + 4 × 6 =
  14. 14.3.15 + 4.1 =
  15. 15.What is 12% of 600?
  16. 16.3 × (30 − 14) + 99 ÷ 9 =
  17. 17.Write 1/4 as a percent.
  18. 18.Divide ₹371 between Rohan and Priya in the ratio 2 : 5. How much does Rohan get (in ₹)?
  19. 19.Ananya scored 21 marks out of 25 in a test. What percentage did Ananya score?
  20. 20.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 6, 12 or 9.
  21. 21.Three temple bells ring every 8, 4 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  22. 22.Round 46546 to the nearest thousand.
  23. 23.If 6 kg of rice costs ₹504, how many kg can you buy for ₹840?
  24. 24.Round 53.46 to one decimal place. =
  25. 25.What is the smallest number you must take away from 833 so that it divides exactly by 6?
  26. 26.11 : 2 = 55 : ?
  27. 27.How many factors does 27 have?
  28. 28.Three temple bells ring every 4, 24 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  29. 29.11 : 4 = 44 : ?
  30. 30.Find the third proportional to 4 and 16 (that is, 4 : 16 = 16 : ?).
  31. 31.Find the third proportional to 7 and 28 (that is, 7 : 28 = 28 : ?).
  32. 32.A car goes 85 km on 5 litres of petrol. How far can it go on 17 litres (in km)?
  33. 33.48 ÷ 6 × 4 + 18 =
  34. 34.23 − 30 ÷ 6 × 3 =
  35. 35.Find the LCM of 6 and 7.
  36. 36.A car goes 54 km on 3 litres of petrol. How far can it go on 18 litres (in km)?
  37. 37.11 + 2 × 12 − 2 =
  38. 38.71.1 ÷ 9 =
  39. 39.Divide ₹154 between Isha and Rahul in the ratio 4 : 7. How much does Rahul get (in ₹)?
  40. 40.Three temple bells ring every 6, 8 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 96
  2. 360
  3. 18000
  4. 70
  5. 41.9
  6. 17/30
  7. 1700
  8. 836
  9. 164
  10. 56
  11. 24
  12. 25
  13. 36
  14. 7.25
  15. 72
  16. 59
  17. 25
  18. 106
  19. 84
  20. 38
  21. 40
  22. 47000
  23. 10
  24. 53.5
  25. 5
  26. 10
  27. 4
  28. 120
  29. 16
  30. 64
  31. 112
  32. 289
  33. 50
  34. 8
  35. 42
  36. 324
  37. 33
  38. 7.9
  39. 98
  40. 24

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