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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 376 · 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 1/2 as a percent.
  2. 2.Divide ₹629 between Ananya and Kabir in the ratio 8 : 9. How much does Ananya get (in ₹)?
  3. 3.5/7 × 11/12 =
  4. 4.If 7 mangoes cost ₹35, how much do 12 mangoes cost (in ₹)?
  5. 5.A car goes 220 km on 11 litres of petrol. How far can it go on 10 litres (in km)?
  6. 6.How many factors does 89 have?
  7. 7.If 11 kites cost ₹407, how much do 17 kites cost (in ₹)?
  8. 8.Ishaan scored 15 marks out of 25 in a test. What percentage did Ishaan score?
  9. 9.A hall floor is 175 cm long and 125 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  10. 10.The HCF of two numbers is 3 and their LCM is 108. One of the numbers is 27. What is the other number?
  11. 11.5/9 of 90 + 2 × 6 =
  12. 12.What percent of 50 is 13?
  13. 13.How many factors does 57 have?
  14. 14.A hostel has enough food for 9 students for 8 days. How many days will the same food last for 4 students?
  15. 15.A hostel has enough food for 3 students for 7 days. How many days will the same food last for 7 students?
  16. 16.5.52 + 8.1 =
  17. 17.99 ÷ 9 × 5 + 12 =
  18. 18.Priya scored 13 marks out of 20 in a test. What percentage did Priya score?
  19. 19.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).
  20. 20.(5 + 2) × 2 − 10 =
  21. 21.The HCF of two numbers is 5 and their LCM is 100. One of the numbers is 25. What is the other number?
  22. 22.7/8 of 48 + 9 × 9 =
  23. 23.7/10 − 1/3 =
  24. 24.9 ÷ 3 × 3 + 28 =
  25. 25.What percent of 25 is 17?
  26. 26.Two tanks hold 180 litres and 80 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  27. 27.If 4 pens cost ₹144, how much do 3 pens cost (in ₹)?
  28. 28.Find the LCM of 15 and 18.
  29. 29.Round 99123 to the nearest thousand.
  30. 30.4/5 − 2/8 =
  31. 31.10/11 − 2/7 =
  32. 32.4 : 15 = 20 : ?
  33. 33.Divide ₹528 between Diya and Dev in the ratio 5 : 6. How much does Dev get (in ₹)?
  34. 34.24 + 8 × 3 − 13 =
  35. 35.Round 85563 to the nearest hundred.
  36. 36.Which of these numbers divides exactly by 11? (a) 8935 (b) 3735 (c) 6393 (d) 9427
  37. 37.What is 150% of 74?
  38. 38.Round 56.64 to one decimal place. =
  39. 39.If 2 kg of rice costs ₹90, how many kg can you buy for ₹630?
  40. 40.1/8 + 3/12 =

Answer key

  1. 50
  2. 296
  3. 55/84
  4. 60
  5. 200
  6. 2
  7. 629
  8. 60
  9. 35
  10. 12
  11. 62
  12. 26
  13. 4
  14. 18
  15. 3
  16. 13.62
  17. 67
  18. 65
  19. 45
  20. 4
  21. 20
  22. 123
  23. 11/30
  24. 37
  25. 68
  26. 20
  27. 108
  28. 90
  29. 99000
  30. 11/20
  31. 48/77
  32. 75
  33. 288
  34. 35
  35. 85600
  36. 9427
  37. 111
  38. 56.6
  39. 14
  40. 3/8

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