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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 501 · 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 percent of 200 is 34?
  2. 2.Find the LCM of 3, 2 and 15.
  3. 3.5/7 of 49 + 6 × 7 =
  4. 4.What is the smallest number you must add to 495 so that it divides exactly by 13?
  5. 5.Which is closest to 403 + 596 + 196? (a) 1300 (b) 1100 (c) 1200 (d) 1400
  6. 6.3/7 of 70 + 4 × 8 =
  7. 7.Find the LCM of 8, 6 and 4.
  8. 8.Round 74.32 to one decimal place. =
  9. 9.A car goes 16 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
  10. 10.1/2 × 1/10 =
  11. 11.Divide ₹435 between Nisha and Rohan in the ratio 8 : 7. How much does Nisha get (in ₹)?
  12. 12.A hall floor is 210 cm long and 60 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  13. 13.Find the LCM of 6 and 15.
  14. 14.What is the smallest number you must add to 479 so that it divides exactly by 3?
  15. 15.2 : 4 = 4 : ?
  16. 16.What is 10% of 480?
  17. 17.What is the smallest number you must take away from 140 so that it divides exactly by 8?
  18. 18.A hall floor is 160 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  19. 19.The ratio of boys to girls in a class is 3 : 8. There are 30 boys. How many girls are there?
  20. 20.35 ÷ 7 × 7 + 29 =
  21. 21.2.3 × 7 =
  22. 22.2/3 × 2/5 =
  23. 23.Divide ₹616 between Aditya and Ananya in the ratio 6 : 5. How much does Ananya get (in ₹)?
  24. 24.Find the LCM of 6 and 8.
  25. 25.The ratio of boys to girls in a class is 8 : 7. There are 48 boys. How many girls are there?
  26. 26.91 − 18 ÷ 2 × 6 =
  27. 27.7 : 4 = 49 : ?
  28. 28.What is the smallest number you must take away from 537 so that it divides exactly by 6?
  29. 29.11/12 − 3/10 =
  30. 30.1/4 of 40 + 6 × 8 =
  31. 31.The HCF of two numbers is 6 and their LCM is 270. One of the numbers is 54. What is the other number?
  32. 32.Find the HCF of 65 and 26.
  33. 33.A car goes 110 km on 5 litres of petrol. How far can it go on 30 litres (in km)?
  34. 34.Which is closest to 198 + 195 + 204? (a) 600 (b) 800 (c) 700 (d) 500
  35. 35.37 − 12 ÷ 4 × 7 =
  36. 36.A car goes 26 km on 2 litres of petrol. How far can it go on 27 litres (in km)?
  37. 37.2 × (10 − 8) + 45 ÷ 5 =
  38. 38.63 ÷ 7 × 7 + 1 =
  39. 39.What is 1/2 of 42 kg?
  40. 40.5 × (15 − 11) + 63 ÷ 7 =

Answer key

  1. 17
  2. 30
  3. 77
  4. 12
  5. 1200
  6. 62
  7. 24
  8. 74.3
  9. 48
  10. 1/20
  11. 232
  12. 14
  13. 30
  14. 1
  15. 8
  16. 48
  17. 4
  18. 40
  19. 80
  20. 64
  21. 16.1
  22. 4/15
  23. 280
  24. 24
  25. 42
  26. 37
  27. 28
  28. 3
  29. 37/60
  30. 58
  31. 30
  32. 13
  33. 660
  34. 600
  35. 16
  36. 351
  37. 13
  38. 64
  39. 21
  40. 29

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