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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 890 · 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. 1.9.7 × 5 =
  2. 2.Find the HCF of 90 and 105.
  3. 3.If 5 kg of rice costs ₹230, how many kg can you buy for ₹414?
  4. 4.81 − 56 ÷ 8 × 6 =
  5. 5.Which of these numbers divides exactly by 3? (a) 9742 (b) 2985 (c) 6997 (d) 3680
  6. 6.Isha takes 45 seconds and Priya takes 30 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?
  7. 7.Divide ₹676 between Farhan and Vivaan in the ratio 8 : 5. How much does Farhan get (in ₹)?
  8. 8.3/6 + 3/10 =
  9. 9.What is 25% of 408?
  10. 10.Find the HCF of 63 and 14.
  11. 11.49 + 8 × 8 − 19 =
  12. 12.Which is closest to 2104 ÷ 29? (a) 70 (b) 35 (c) 140 (d) 700
  13. 13.8 : 2 = 72 : ?
  14. 14.What is 150% of 278?
  15. 15.Write 1/2 as a percent.
  16. 16.1/2 × 2/3 =
  17. 17.Which is closest to 403 × 32? (Round each number first.) (a) 1200 (b) 12000 (c) 120000 (d) 24000
  18. 18.35 + 10 × 4 − 9 =
  19. 19.What is 150% of 210?
  20. 20.What percent of 500 is 80?
  21. 21.7 : 15 = 35 : ?
  22. 22.3 × (18 − 13) + 99 ÷ 9 =
  23. 23.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?
  24. 24.What is 15% of 260?
  25. 25.8 : 2 = 32 : ?
  26. 26.Find the HCF of 42 and 35.
  27. 27.Find the LCM of 25 and 30.
  28. 28.Find the LCM of 5 and 6.
  29. 29.Karan scored 60 marks out of 80 in a test. What percentage did Karan score?
  30. 30.Find the LCM of 12, 9 and 3.
  31. 31.A car goes 180 km on 9 litres of petrol. How far can it go on 16 litres (in km)?
  32. 32.What is the smallest number you must take away from 248 so that it divides exactly by 6?
  33. 33.23.2 ÷ 8 =
  34. 34.67 − 24 ÷ 3 × 5 =
  35. 35.The ratio of boys to girls in a class is 6 : 1. There are 18 boys. How many girls are there?
  36. 36.Three temple bells ring every 5, 6 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  37. 37.Write 27/50 as a percent.
  38. 38.Find the LCM of 48 and 30.
  39. 39.How many factors does 12 have?
  40. 40.Meera takes 50 seconds and Zoya takes 60 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?

Answer key

  1. 48.5
  2. 15
  3. 9
  4. 39
  5. 2985
  6. 90
  7. 416
  8. 4/5
  9. 102
  10. 7
  11. 94
  12. 70
  13. 18
  14. 417
  15. 50
  16. 1/3
  17. 12000
  18. 66
  19. 315
  20. 16
  21. 75
  22. 26
  23. 15
  24. 39
  25. 8
  26. 7
  27. 150
  28. 30
  29. 75
  30. 36
  31. 320
  32. 2
  33. 2.9
  34. 27
  35. 3
  36. 60
  37. 54
  38. 240
  39. 6
  40. 300

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