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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 813 · 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 third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  2. 2.3/4 − 2/3 =
  3. 3.What percent of 50 is 16?
  4. 4.Which is closest to 198 + 898 + 302? (a) 1300 (b) 1600 (c) 1400 (d) 1500
  5. 5.Write 7/20 as a percent.
  6. 6.1/3 × 5/11 =
  7. 7.Divide ₹190 between Dev and Nisha in the ratio 7 : 3. How much does Dev get (in ₹)?
  8. 8.Round 47.56 to one decimal place. =
  9. 9.Two tanks hold 30 litres and 105 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  10. 10.3/7 + 7/12 =
  11. 11.What percent of 20 is 6?
  12. 12.Find the HCF of 56 and 16.
  13. 13.Pooja takes 30 seconds and Kabir takes 75 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?
  14. 14.Divide ₹126 between Manav and Vivaan in the ratio 4 : 5. How much does Manav get (in ₹)?
  15. 15.Find the LCM of 15, 4 and 2.
  16. 16.What percent of 80 is 12?
  17. 17.If 3 kites cost ₹78, how much do 4 kites cost (in ₹)?
  18. 18.Three temple bells ring every 20, 6 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.53 − 10 ÷ 2 × 4 =
  20. 20.2/4 + 1/7 =
  21. 21.39.6 ÷ 9 =
  22. 22.4 × (23 − 13) + 14 ÷ 7 =
  23. 23.Divide ₹288 between Meera and Isha in the ratio 8 : 1. How much does Meera get (in ₹)?
  24. 24.Manav scored 24 marks out of 25 in a test. What percentage did Manav score?
  25. 25.8 : 6 = 24 : ?
  26. 26.(17 + 14) × 2 − 2 =
  27. 27.Find the LCM of 8, 4 and 12.
  28. 28.What is the smallest number you must add to 876 so that it divides exactly by 11?
  29. 29.What is 1/6 of ₹54?
  30. 30.Farhan takes 50 seconds and Aditya takes 40 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?
  31. 31.Which is closest to 703 + 905 + 905? (a) 2500 (b) 2600 (c) 2400 (d) 2700
  32. 32.50 ÷ 5 × 4 + 4 =
  33. 33.What is 1/3 of 33 students?
  34. 34.How many factors does 85 have?
  35. 35.Three temple bells ring every 24, 12 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  36. 36.12 : 5 = 24 : ?
  37. 37.A car goes 117 km on 9 litres of petrol. How far can it go on 3 litres (in km)?
  38. 38.Write 9/10 as a percent.
  39. 39.What is 3/4 of ₹20?
  40. 40.A car goes 33 km on 3 litres of petrol. How far can it go on 10 litres (in km)?

Answer key

  1. 32
  2. 1/12
  3. 32
  4. 1400
  5. 35
  6. 5/33
  7. 133
  8. 47.6
  9. 15
  10. 85/84
  11. 30
  12. 8
  13. 150
  14. 56
  15. 60
  16. 15
  17. 104
  18. 120
  19. 33
  20. 9/14
  21. 4.4
  22. 42
  23. 256
  24. 96
  25. 18
  26. 60
  27. 24
  28. 4
  29. 9
  30. 200
  31. 2500
  32. 44
  33. 11
  34. 4
  35. 120
  36. 10
  37. 39
  38. 90
  39. 15
  40. 110

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