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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 583 · 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 × (14 − 8) + 72 ÷ 9 =
  2. 2.A car goes 26 km on 2 litres of petrol. How far can it go on 39 litres (in km)?
  3. 3.Find the LCM of 4, 13 and 6.
  4. 4.9.69 + 9.2 =
  5. 5.Manav scored 43 marks out of 50 in a test. What percentage did Manav score?
  6. 6.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 10, 5 or 9.
  7. 7.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  8. 8.Round 93017 to the nearest ten.
  9. 9.A hall floor is 350 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  10. 10.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  11. 11.27.2 ÷ 8 =
  12. 12.How many factors does 91 have?
  13. 13.Find the LCM of 9, 8 and 6.
  14. 14.Which is closest to 697 × 71? (Round each number first.) (a) 4900 (b) 490000 (c) 49000 (d) 98000
  15. 15.24 ÷ 4 × 7 + 17 =
  16. 16.How many factors does 39 have?
  17. 17.What percent of 25 is 4?
  18. 18.12% of a number is 18. What is the number?
  19. 19.68 − 48 ÷ 8 × 6 =
  20. 20.40.5 ÷ 9 =
  21. 21.Find the HCF of 56 and 35.
  22. 22.Find the LCM of 3, 7 and 9.
  23. 23.5% of a number is 21. What is the number?
  24. 24.What percent of 50 is 10?
  25. 25.A car goes 168 km on 7 litres of petrol. How far can it go on 11 litres (in km)?
  26. 26.Find the HCF of 50 and 30.
  27. 27.If 3 kg of rice costs ₹189, how many kg can you buy for ₹882?
  28. 28.What is 2/3 of 75 students?
  29. 29.Find the HCF of 56 and 49.
  30. 30.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 4, 12 or 3.
  31. 31.8.23 + 3.7 =
  32. 32.Divide ₹264 between Rohan and Meera in the ratio 2 : 9. How much does Rohan get (in ₹)?
  33. 33.Find the LCM of 15, 8 and 10.
  34. 34.How many factors does 49 have?
  35. 35.7.1 × 9 =
  36. 36.Find the HCF of 108 and 60.
  37. 37.What is the smallest number you must add to 358 so that it divides exactly by 6?
  38. 38.Which is closest to 395 ÷ 21? (a) 200 (b) 20 (c) 40 (d) 10
  39. 39.5/9 × 6/11 =
  40. 40.A hall floor is 420 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?

Answer key

  1. 62
  2. 507
  3. 156
  4. 18.89
  5. 86
  6. 93
  7. 28
  8. 93020
  9. 14
  10. 8
  11. 3.4
  12. 4
  13. 72
  14. 49000
  15. 59
  16. 4
  17. 16
  18. 150
  19. 32
  20. 4.5
  21. 7
  22. 63
  23. 420
  24. 20
  25. 264
  26. 10
  27. 14
  28. 50
  29. 7
  30. 13
  31. 11.93
  32. 48
  33. 120
  34. 3
  35. 63.9
  36. 12
  37. 2
  38. 20
  39. 10/33
  40. 35

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