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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 296 · 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.Arjun takes 54 seconds and Tara takes 30 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
  2. 2.What is 50% of 562?
  3. 3.Round 29.18 to one decimal place. =
  4. 4.A hostel has enough food for 9 students for 6 days. How many days will the same food last for 18 students?
  5. 5.11 + 7 × 4 − 6 =
  6. 6.If 4 pencil boxes cost ₹44, how much do 16 pencil boxes cost (in ₹)?
  7. 7.Which of these numbers divides exactly by 4? (a) 2347 (b) 6467 (c) 6633 (d) 3968
  8. 8.63 ÷ 7 × 9 + 25 =
  9. 9.Divide ₹45 between Rohan and Dev in the ratio 3 : 2. How much does Dev get (in ₹)?
  10. 10.What is 1/2 of ₹34?
  11. 11.Round 95.57 to one decimal place. =
  12. 12.7 × (28 − 4) + 18 ÷ 9 =
  13. 13.A hall floor is 400 cm long and 250 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  14. 14.8 : 10 = 32 : ?
  15. 15.How many factors does 83 have?
  16. 16.Write 1/4 as a percent.
  17. 17.60% of a number is 288. What is the number?
  18. 18.Find the HCF of 32 and 36.
  19. 19.The HCF of two numbers is 2 and their LCM is 40. One of the numbers is 8. What is the other number?
  20. 20.Divide ₹119 between Tara and Priya in the ratio 9 : 8. How much does Tara get (in ₹)?
  21. 21.Find the HCF of 20 and 12.
  22. 22.What is the smallest number you must take away from 609 so that it divides exactly by 11?
  23. 23.8/9 + 2/3 =
  24. 24.If 5 kg of rice costs ₹135, how many kg can you buy for ₹216?
  25. 25.Which is closest to 705 + 201 + 505? (a) 1400 (b) 1300 (c) 1600 (d) 1500
  26. 26.Three temple bells ring every 12, 4 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  27. 27.Find the LCM of 11, 3 and 9.
  28. 28.Find the LCM of 5, 4 and 6.
  29. 29.A hall floor is 60 cm long and 40 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  30. 30.20% of a number is 31. What is the number?
  31. 31.Which is closest to 602 + 298 + 496? (a) 1500 (b) 1400 (c) 1600 (d) 1300
  32. 32.What percent of 20 is 11?
  33. 33.Find the third proportional to 8 and 32 (that is, 8 : 32 = 32 : ?).
  34. 34.Two tanks hold 200 litres and 360 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  35. 35.Find the HCF of 21 and 28.
  36. 36.10 : 7 = 20 : ?
  37. 37.3/7 of 56 + 6 × 8 =
  38. 38.What percent of 25 is 12?
  39. 39.36 + 9 × 4 − 3 =
  40. 40.Which is closest to 101 + 105 + 697? (a) 800 (b) 1100 (c) 1000 (d) 900

Answer key

  1. 270
  2. 281
  3. 29.2
  4. 3
  5. 33
  6. 176
  7. 3968
  8. 106
  9. 18
  10. 17
  11. 95.6
  12. 170
  13. 40
  14. 40
  15. 2
  16. 25
  17. 480
  18. 4
  19. 10
  20. 63
  21. 4
  22. 4
  23. 14/9
  24. 8
  25. 1400
  26. 60
  27. 99
  28. 60
  29. 6
  30. 155
  31. 1400
  32. 55
  33. 128
  34. 40
  35. 7
  36. 14
  37. 72
  38. 48
  39. 69
  40. 900

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