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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 738 · 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. 1.4.4 × 2 =
  2. 2.A car goes 180 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
  3. 3.If 7 kg of rice costs ₹308, how many kg can you buy for ₹220?
  4. 4.What percent of 20 is 5?
  5. 5.40% of a number is 144. What is the number?
  6. 6.Which of these numbers divides exactly by 4? (a) 8191 (b) 3805 (c) 3338 (d) 7740
  7. 7.Which is closest to 504 × 88? (Round each number first.) (a) 4500 (b) 45000 (c) 90000 (d) 450000
  8. 8.9.8 × 8 =
  9. 9.Round 61.16 to one decimal place. =
  10. 10.(2 + 18) × 7 − 19 =
  11. 11.Round 37389 to the nearest ten.
  12. 12.Which of these numbers divides exactly by 11? (a) 1727 (b) 6719 (c) 5700 (d) 3881
  13. 13.Two tanks hold 90 litres and 135 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  14. 14.A car goes 60 km on 3 litres of petrol. How far can it go on 2 litres (in km)?
  15. 15.Priya takes 72 seconds and Ishaan takes 54 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?
  16. 16.18 + 12 × 7 − 9 =
  17. 17.Find the LCM of 7, 12 and 4.
  18. 18.(8 + 9) × 9 − 27 =
  19. 19.Two tanks hold 45 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  20. 20.Divide ₹189 between Pooja and Kabir in the ratio 1 : 8. How much does Kabir get (in ₹)?
  21. 21.9.6 × 6 =
  22. 22.If 4 kg of rice costs ₹284, how many kg can you buy for ₹426?
  23. 23.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 6, 12 or 10.
  24. 24.Which is closest to 201 + 300 + 898? (a) 1600 (b) 1500 (c) 1300 (d) 1400
  25. 25.18 + 9 × 10 − 14 =
  26. 26.Three temple bells ring every 5, 30 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.A hall floor is 100 cm long and 80 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  28. 28.Which is closest to 405 + 298 + 497? (a) 1200 (b) 1100 (c) 1300 (d) 1400
  29. 29.Manav scored 24 marks out of 80 in a test. What percentage did Manav score?
  30. 30.Find the third proportional to 9 and 45 (that is, 9 : 45 = 45 : ?).
  31. 31.Round 1569 to the nearest thousand.
  32. 32.Find the LCM of 9, 3 and 7.
  33. 33.Which is closest to 2803 ÷ 41? (a) 35 (b) 700 (c) 140 (d) 70
  34. 34.What is the smallest number you must take away from 908 so that it divides exactly by 13?
  35. 35.Two tanks hold 360 litres and 160 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  36. 36.1/8 of 48 + 5 × 9 =
  37. 37.(13 + 3) × 9 − 18 =
  38. 38.What is 30% of 80?
  39. 39.27 ÷ 6 =
  40. 40.What percent of 25 is 6?

Answer key

  1. 8.8
  2. 432
  3. 5
  4. 25
  5. 360
  6. 7740
  7. 45000
  8. 78.4
  9. 61.2
  10. 121
  11. 37390
  12. 1727
  13. 45
  14. 40
  15. 216
  16. 93
  17. 84
  18. 126
  19. 15
  20. 168
  21. 57.6
  22. 6
  23. 61
  24. 1400
  25. 94
  26. 60
  27. 20
  28. 1200
  29. 30
  30. 225
  31. 2000
  32. 63
  33. 70
  34. 11
  35. 40
  36. 51
  37. 126
  38. 24
  39. 4.5
  40. 24

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