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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 523 · 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.How many factors does 60 have?
  2. 2.48 ÷ 5 =
  3. 3.Three temple bells ring every 5, 12 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  4. 4.4/5 + 4/8 =
  5. 5.Write 9/10 as a percent.
  6. 6.The HCF of two numbers is 5 and their LCM is 120. One of the numbers is 15. What is the other number?
  7. 7.Which of these numbers divides exactly by 11? (a) 1411 (b) 1224 (c) 8129 (d) 3288
  8. 8.If 7 bottles of juice cost ₹154, how much do 15 bottles of juice cost (in ₹)?
  9. 9.9.51 + 1.5 =
  10. 10.Three temple bells ring every 6, 9 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  11. 11.Divide ₹561 between Tara and Aarav in the ratio 6 : 5. How much does Aarav get (in ₹)?
  12. 12.1/4 + 6/12 =
  13. 13.10% of a number is 1. What is the number?
  14. 14.Find the LCM of 32 and 12.
  15. 15.What is 4/5 of ₹30?
  16. 16.12 : 4 = 96 : ?
  17. 17.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 9 or 3.
  18. 18.If 9 kg of rice costs ₹342, how many kg can you buy for ₹494?
  19. 19.If 7 kg of rice costs ₹238, how many kg can you buy for ₹272?
  20. 20.What is 20% of 410?
  21. 21.If 2 kg of rice costs ₹106, how many kg can you buy for ₹318?
  22. 22.A hostel has enough food for 11 students for 5 days. How many days will the same food last for 5 students?
  23. 23.If 3 cricket balls cost ₹84, how much do 20 cricket balls cost (in ₹)?
  24. 24.2 : 7 = 18 : ?
  25. 25.Which is closest to 104 + 400 + 297? (a) 900 (b) 800 (c) 1000 (d) 700
  26. 26.Find the LCM of 30 and 48.
  27. 27.9 × (14 − 13) + 24 ÷ 4 =
  28. 28.9 × (15 − 8) + 35 ÷ 5 =
  29. 29.What is the smallest number you must take away from 601 so that it divides exactly by 9?
  30. 30.Which is closest to 304 + 801 + 402? (a) 1600 (b) 1500 (c) 1700 (d) 1400
  31. 31.Find the HCF of 77 and 44.
  32. 32.The ratio of boys to girls in a class is 3 : 1. There are 30 boys. How many girls are there?
  33. 33.Divide ₹464 between Dev and Ishaan in the ratio 9 : 7. How much does Dev get (in ₹)?
  34. 34.Find the third proportional to 2 and 10 (that is, 2 : 10 = 10 : ?).
  35. 35.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 10, 4 or 3.
  36. 36.What percent of 250 is 80?
  37. 37.2/3 − 1/2 =
  38. 38.Round 81507 to the nearest hundred.
  39. 39.If 2 mangoes cost ₹96, how much do 13 mangoes cost (in ₹)?
  40. 40.Three temple bells ring every 6, 24 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?

Answer key

  1. 12
  2. 9.6
  3. 120
  4. 13/10
  5. 90
  6. 40
  7. 8129
  8. 330
  9. 11.01
  10. 72
  11. 255
  12. 3/4
  13. 10
  14. 96
  15. 24
  16. 32
  17. 92
  18. 13
  19. 8
  20. 82
  21. 6
  22. 11
  23. 560
  24. 63
  25. 800
  26. 240
  27. 15
  28. 70
  29. 7
  30. 1500
  31. 11
  32. 10
  33. 261
  34. 50
  35. 62
  36. 32
  37. 1/6
  38. 81500
  39. 624
  40. 120

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