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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 986 · 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 HCF of 14 and 35.
  2. 2.Find the HCF of 27 and 15.
  3. 3.9/12 + 4/8 =
  4. 4.Find the smallest number bigger than 15 that leaves a remainder of 3 when divided by 10, 15 or 4.
  5. 5.Which is closest to 401 ÷ 19? (a) 200 (b) 10 (c) 40 (d) 20
  6. 6.Two tanks hold 20 litres and 35 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  7. 7.Find the third proportional to 4 and 16 (that is, 4 : 16 = 16 : ?).
  8. 8.What is 25% of 208?
  9. 9.Which is closest to 498 + 597 + 100? (a) 1200 (b) 1100 (c) 1400 (d) 1300
  10. 10.Find the HCF of 91 and 117.
  11. 11.1/5 × 1/2 =
  12. 12.Which of these numbers divides exactly by 4? (a) 1664 (b) 9607 (c) 1482 (d) 9762
  13. 13.1/2 × 11/12 =
  14. 14.10% of a number is 7. What is the number?
  15. 15.2.7 × 2 =
  16. 16.5/7 of 70 + 2 × 4 =
  17. 17.What percent of 25 is 13?
  18. 18.42 + 5 × 5 − 11 =
  19. 19.Find the LCM of 2, 14 and 4.
  20. 20.5.45 + 5.5 =
  21. 21.Round 37.86 to one decimal place. =
  22. 22.Divide ₹429 between Nisha and Diya in the ratio 2 : 9. How much does Diya get (in ₹)?
  23. 23.Divide ₹310 between Pooja and Kavya in the ratio 9 : 1. How much does Kavya get (in ₹)?
  24. 24.How many factors does 74 have?
  25. 25.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  26. 26.What is the smallest number you must take away from 761 so that it divides exactly by 11?
  27. 27.A car goes 130 km on 10 litres of petrol. How far can it go on 27 litres (in km)?
  28. 28.Which is closest to 2798 ÷ 39? (a) 700 (b) 70 (c) 140 (d) 35
  29. 29.Find the third proportional to 4 and 12 (that is, 4 : 12 = 12 : ?).
  30. 30.6 painters can paint a school in 15 days. How many days would 10 painters take, working at the same speed?
  31. 31.Find the LCM of 48 and 18.
  32. 32.81 ÷ 9 × 8 + 3 =
  33. 33.Divide ₹180 between Aditya and Pooja in the ratio 1 : 3. How much does Aditya get (in ₹)?
  34. 34.1/2 × 3/6 =
  35. 35.The ratio of boys to girls in a class is 9 : 4. There are 54 boys. How many girls are there?
  36. 36.1/2 − 2/9 =
  37. 37.Find the LCM of 6, 10 and 14.
  38. 38.Divide ₹64 between Nisha and Aditya in the ratio 7 : 1. How much does Aditya get (in ₹)?
  39. 39.Find the HCF of 16 and 12.
  40. 40.Divide ₹451 between Ananya and Arjun in the ratio 2 : 9. How much does Ananya get (in ₹)?

Answer key

  1. 7
  2. 3
  3. 5/4
  4. 63
  5. 20
  6. 5
  7. 64
  8. 52
  9. 1200
  10. 13
  11. 1/10
  12. 1664
  13. 11/24
  14. 70
  15. 5.4
  16. 58
  17. 52
  18. 56
  19. 28
  20. 10.95
  21. 37.9
  22. 351
  23. 31
  24. 4
  25. 28
  26. 2
  27. 351
  28. 70
  29. 36
  30. 9
  31. 144
  32. 75
  33. 45
  34. 1/4
  35. 24
  36. 5/18
  37. 210
  38. 8
  39. 4
  40. 82

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