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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 264 · 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. 1.68 − 42 ÷ 6 × 6 =
  2. 2.A hall floor is 125 cm long and 75 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  3. 3.Round 93474 to the nearest ten.
  4. 4.3 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
  5. 5.What is the smallest number you must add to 152 so that it divides exactly by 13?
  6. 6.Write 3/10 as a percent.
  7. 7.12 : 6 = 72 : ?
  8. 8.How many factors does 13 have?
  9. 9.9/12 × 8/9 =
  10. 10.A car goes 207 km on 9 litres of petrol. How far can it go on 6 litres (in km)?
  11. 11.Ananya scored 5 marks out of 20 in a test. What percentage did Ananya score?
  12. 12.9 × (20 − 18) + 18 ÷ 2 =
  13. 13.1/2 + 2/5 =
  14. 14.12% of a number is 21. What is the number?
  15. 15.What is the smallest number you must take away from 393 so that it divides exactly by 11?
  16. 16.19.2 ÷ 3 =
  17. 17.If 3 erasers cost ₹117, how much do 6 erasers cost (in ₹)?
  18. 18.Find the HCF of 30 and 70.
  19. 19.How many factors does 56 have?
  20. 20.What is 1/2 of ₹22?
  21. 21.Find the HCF of 112 and 98.
  22. 22.Divide ₹296 between Sneha and Kavya in the ratio 3 : 5. How much does Sneha get (in ₹)?
  23. 23.What is 20% of 130?
  24. 24.How many factors does 82 have?
  25. 25.If 3 kg of rice costs ₹66, how many kg can you buy for ₹110?
  26. 26.Divide ₹330 between Arjun and Diya in the ratio 3 : 7. How much does Diya get (in ₹)?
  27. 27.How many factors does 80 have?
  28. 28.What is 3/7 of 168 litres?
  29. 29.Write 1/5 as a percent.
  30. 30.How many factors does 88 have?
  31. 31.What percent of 20 is 8?
  32. 32.14.8 ÷ 4 =
  33. 33.What is 2/9 of 81 kg?
  34. 34.Round 91247 to the nearest hundred.
  35. 35.What is 10% of 410?
  36. 36.60% of a number is 240. What is the number?
  37. 37.Find the LCM of 6 and 16.
  38. 38.What is the smallest number you must add to 556 so that it divides exactly by 6?
  39. 39.2/7 of 28 + 6 × 7 =
  40. 40.Kabir scored 3 marks out of 20 in a test. What percentage did Kabir score?

Answer key

  1. 26
  2. 15
  3. 93470
  4. 15
  5. 4
  6. 30
  7. 36
  8. 2
  9. 2/3
  10. 138
  11. 25
  12. 27
  13. 9/10
  14. 175
  15. 8
  16. 6.4
  17. 234
  18. 10
  19. 8
  20. 11
  21. 14
  22. 111
  23. 26
  24. 4
  25. 5
  26. 231
  27. 10
  28. 72
  29. 20
  30. 8
  31. 40
  32. 3.7
  33. 18
  34. 91200
  35. 41
  36. 400
  37. 48
  38. 2
  39. 50
  40. 15

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