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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 478 · 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.Farhan scored 4 marks out of 20 in a test. What percentage did Farhan score?
  2. 2.Which is closest to 1209 ÷ 21? (a) 120 (b) 60 (c) 600 (d) 30
  3. 3.Find the LCM of 6 and 21.
  4. 4.2 : 6 = 12 : ?
  5. 5.Three temple bells ring every 30, 20 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  6. 6.Round 43.76 to one decimal place. =
  7. 7.Find the HCF of 90 and 40.
  8. 8.Which is closest to 2007 ÷ 49? (a) 80 (b) 40 (c) 20 (d) 400
  9. 9.If 3 kg of rice costs ₹141, how many kg can you buy for ₹235?
  10. 10.1/2 − 3/7 =
  11. 11.Find the LCM of 2 and 3.
  12. 12.14 ÷ 7 × 9 + 5 =
  13. 13.A car goes 32 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
  14. 14.Which is closest to 205 + 396 + 599? (a) 1100 (b) 1300 (c) 1400 (d) 1200
  15. 15.10/11 − 5/10 =
  16. 16.A hostel has enough food for 8 students for 22 days. How many days will the same food last for 11 students?
  17. 17.The HCF of two numbers is 2 and their LCM is 36. One of the numbers is 18. What is the other number?
  18. 18.Three temple bells ring every 24, 10 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.What is 50% of 110?
  20. 20.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 14 students?
  21. 21.The ratio of boys to girls in a class is 7 : 6. There are 42 boys. How many girls are there?
  22. 22.What is the smallest number you must add to 949 so that it divides exactly by 6?
  23. 23.A car goes 75 km on 3 litres of petrol. How far can it go on 27 litres (in km)?
  24. 24.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 8, 5 or 6.
  25. 25.Write 1/4 as a percent.
  26. 26.What percent of 40 is 14?
  27. 27.11 : 7 = 44 : ?
  28. 28.What is the smallest number you must take away from 745 so that it divides exactly by 12?
  29. 29.The ratio of boys to girls in a class is 2 : 7. There are 6 boys. How many girls are there?
  30. 30.What percent of 40 is 8?
  31. 31.Divide ₹98 between Dev and Aditya in the ratio 5 : 9. How much does Dev get (in ₹)?
  32. 32.4/5 + 2/9 =
  33. 33.7.55 + 3.4 =
  34. 34.1.2 × 3 =
  35. 35.4/8 − 1/6 =
  36. 36.Which is closest to 704 × 71? (Round each number first.) (a) 4900 (b) 49000 (c) 98000 (d) 490000
  37. 37.Round 42.42 to one decimal place. =
  38. 38.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 12, 3 or 15.
  39. 39.What is the smallest number you must add to 129 so that it divides exactly by 6?
  40. 40.Round 38848 to the nearest ten.

Answer key

  1. 20
  2. 60
  3. 42
  4. 36
  5. 120
  6. 43.8
  7. 10
  8. 40
  9. 5
  10. 1/14
  11. 6
  12. 23
  13. 64
  14. 1200
  15. 9/22
  16. 16
  17. 4
  18. 120
  19. 55
  20. 2
  21. 36
  22. 5
  23. 675
  24. 121
  25. 25
  26. 35
  27. 28
  28. 1
  29. 21
  30. 20
  31. 35
  32. 46/45
  33. 10.95
  34. 3.6
  35. 1/3
  36. 49000
  37. 42.4
  38. 61
  39. 3
  40. 38850

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