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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 367 · 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 4/7 of 154 students?
  2. 2.Find the LCM of 32 and 20.
  3. 3.Find the LCM of 6 and 7.
  4. 4.Find the HCF of 42 and 24.
  5. 5.Round 97.54 to one decimal place. =
  6. 6.Find the HCF of 55 and 88.
  7. 7.A car goes 98 km on 7 litres of petrol. How far can it go on 28 litres (in km)?
  8. 8.Arjun scored 4 marks out of 20 in a test. What percentage did Arjun score?
  9. 9.6/12 + 2/3 =
  10. 10.The ratio of boys to girls in a class is 9 : 5. There are 63 boys. How many girls are there?
  11. 11.6/8 − 3/7 =
  12. 12.2 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
  13. 13.Find the HCF of 55 and 33.
  14. 14.Which of these numbers divides exactly by 11? (a) 1757 (b) 5786 (c) 4105 (d) 3176
  15. 15.What percent of 20 is 1?
  16. 16.If 3 kg of rice costs ₹177, how many kg can you buy for ₹885?
  17. 17.Two tanks hold 90 litres and 20 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  18. 18.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  19. 19.Find the LCM of 30 and 12.
  20. 20.Which is closest to 592 ÷ 19? (a) 15 (b) 300 (c) 60 (d) 30
  21. 21.45 − 30 ÷ 5 × 5 =
  22. 22.Find the HCF of 60 and 108.
  23. 23.If 9 kg of rice costs ₹207, how many kg can you buy for ₹69?
  24. 24.The ratio of boys to girls in a class is 4 : 7. There are 12 boys. How many girls are there?
  25. 25.9.45 + 8.3 =
  26. 26.Which of these numbers divides exactly by 8? (a) 3049 (b) 2904 (c) 1878 (d) 1636
  27. 27.Divide ₹495 between Diya and Karan in the ratio 8 : 3. How much does Karan get (in ₹)?
  28. 28.Three temple bells ring every 18, 5 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  29. 29.What percent of 40 is 30?
  30. 30.Which is closest to 1600 ÷ 39? (a) 400 (b) 80 (c) 40 (d) 20
  31. 31.5 × (13 − 6) + 12 ÷ 2 =
  32. 32.Manav scored 16 marks out of 80 in a test. What percentage did Manav score?
  33. 33.What is 7/8 of 200 litres?
  34. 34.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 10, 12 or 3.
  35. 35.15 ÷ 5 × 2 + 9 =
  36. 36.Find the LCM of 8 and 14.
  37. 37.Find the third proportional to 9 and 18 (that is, 9 : 18 = 18 : ?).
  38. 38.(18 + 6) × 4 − 10 =
  39. 39.Round 78.31 to one decimal place. =
  40. 40.If 9 cricket balls cost ₹243, how much do 3 cricket balls cost (in ₹)?

Answer key

  1. 88
  2. 160
  3. 42
  4. 6
  5. 97.5
  6. 11
  7. 392
  8. 20
  9. 7/6
  10. 35
  11. 9/28
  12. 8
  13. 11
  14. 5786
  15. 5
  16. 15
  17. 10
  18. 18
  19. 60
  20. 30
  21. 15
  22. 12
  23. 3
  24. 21
  25. 17.75
  26. 2904
  27. 135
  28. 90
  29. 75
  30. 40
  31. 41
  32. 20
  33. 175
  34. 62
  35. 15
  36. 56
  37. 36
  38. 86
  39. 78.3
  40. 81

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