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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 499 · 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.Write 3/5 as a percent.
  2. 2.1/3 of 18 + 9 × 9 =
  3. 3.Divide ₹108 between Ananya and Dev in the ratio 1 : 2. How much does Dev get (in ₹)?
  4. 4.If 6 kg of rice costs ₹192, how many kg can you buy for ₹224?
  5. 5.If 8 kg of rice costs ₹344, how many kg can you buy for ₹86?
  6. 6.How many factors does 49 have?
  7. 7.Round 56.61 to one decimal place. =
  8. 8.11 painters can paint a school in 24 days. How many days would 6 painters take, working at the same speed?
  9. 9.A car goes 128 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
  10. 10.1/3 + 3/6 =
  11. 11.What is the smallest number you must add to 537 so that it divides exactly by 11?
  12. 12.11 + 12 × 6 − 1 =
  13. 13.If 10 erasers cost ₹50, how much do 5 erasers cost (in ₹)?
  14. 14.A hall floor is 315 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  15. 15.Divide ₹121 between Zoya and Diya in the ratio 4 : 7. How much does Zoya get (in ₹)?
  16. 16.Find the LCM of 20 and 24.
  17. 17.73.8 ÷ 9 =
  18. 18.The ratio of boys to girls in a class is 3 : 4. There are 21 boys. How many girls are there?
  19. 19.What percent of 80 is 16?
  20. 20.The ratio of boys to girls in a class is 4 : 3. There are 12 boys. How many girls are there?
  21. 21.A hall floor is 400 cm long and 350 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  22. 22.8 : 10 = 32 : ?
  23. 23.If 2 pens cost ₹8, how much do 14 pens cost (in ₹)?
  24. 24.Write 3/4 as a percent.
  25. 25.3/4 + 1/10 =
  26. 26.What percent of 200 is 22?
  27. 27.Which of these numbers divides exactly by 11? (a) 9296 (b) 4405 (c) 9063 (d) 1342
  28. 28.A car goes 63 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
  29. 29.3 × (20 − 13) + 44 ÷ 4 =
  30. 30.If 11 pens cost ₹528, how much do 14 pens cost (in ₹)?
  31. 31.(10 + 6) × 5 − 19 =
  32. 32.4.14 + 1.4 =
  33. 33.33 + 10 × 4 − 5 =
  34. 34.Divide ₹539 between Rohan and Rahul in the ratio 8 : 3. How much does Rohan get (in ₹)?
  35. 35.1/2 × 4/7 =
  36. 36.What is 75% of 160?
  37. 37.Which of these numbers divides exactly by 6? (a) 7774 (b) 5940 (c) 3241 (d) 6137
  38. 38.5.58 + 7.5 =
  39. 39.2 : 4 = 14 : ?
  40. 40.Ishaan scored 68 marks out of 80 in a test. What percentage did Ishaan score?

Answer key

  1. 60
  2. 87
  3. 72
  4. 7
  5. 2
  6. 3
  7. 56.6
  8. 44
  9. 48
  10. 5/6
  11. 2
  12. 82
  13. 25
  14. 14
  15. 44
  16. 120
  17. 8.2
  18. 28
  19. 20
  20. 9
  21. 56
  22. 40
  23. 56
  24. 75
  25. 17/20
  26. 11
  27. 1342
  28. 126
  29. 32
  30. 672
  31. 61
  32. 5.54
  33. 68
  34. 392
  35. 2/7
  36. 120
  37. 5940
  38. 13.08
  39. 28
  40. 85

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