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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 116 · 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. 1.35 + 2 × 9 − 28 =
  2. 2.Round 25.56 to one decimal place. =
  3. 3.Which of these numbers divides exactly by 9? (a) 9678 (b) 5321 (c) 7904 (d) 2250
  4. 4.A car goes 152 km on 8 litres of petrol. How far can it go on 32 litres (in km)?
  5. 5.7/8 × 5/9 =
  6. 6.Which is closest to 702 × 60? (Round each number first.) (a) 420000 (b) 4200 (c) 42000 (d) 84000
  7. 7.What is the smallest number you must take away from 749 so that it divides exactly by 11?
  8. 8.Three temple bells ring every 10, 4 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  9. 9.Which is closest to 501 + 201 + 797? (a) 1400 (b) 1600 (c) 1500 (d) 1700
  10. 10.If 6 kg of rice costs ₹522, how many kg can you buy for ₹261?
  11. 11.Three temple bells ring every 24, 12 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  12. 12.The HCF of two numbers is 2 and their LCM is 84. One of the numbers is 14. What is the other number?
  13. 13.Divide ₹480 between Priya and Aarav in the ratio 3 : 5. How much does Aarav get (in ₹)?
  14. 14.Aarav scored 12 marks out of 50 in a test. What percentage did Aarav score?
  15. 15.What is the smallest number you must add to 886 so that it divides exactly by 3?
  16. 16.Which is closest to 2001 ÷ 51? (a) 400 (b) 40 (c) 80 (d) 20
  17. 17.What is the smallest number you must take away from 108 so that it divides exactly by 8?
  18. 18.What is 60% of 575?
  19. 19.If 7 notebooks cost ₹119, how much do 4 notebooks cost (in ₹)?
  20. 20.(9 + 16) × 4 − 29 =
  21. 21.8 × (24 − 7) + 60 ÷ 5 =
  22. 22.Three temple bells ring every 24, 20 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.Round 39594 to the nearest thousand.
  24. 24.72 ÷ 9 × 5 + 14 =
  25. 25.1/6 of 54 + 6 × 4 =
  26. 26.What is the smallest number you must add to 887 so that it divides exactly by 11?
  27. 27.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  28. 28.2 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
  29. 29.A car goes 60 km on 5 litres of petrol. How far can it go on 34 litres (in km)?
  30. 30.7 painters can paint a school in 24 days. How many days would 14 painters take, working at the same speed?
  31. 31.Divide ₹612 between Sneha and Ananya in the ratio 9 : 8. How much does Ananya get (in ₹)?
  32. 32.What is 40% of 450?
  33. 33.48 ÷ 4 × 9 + 2 =
  34. 34.The ratio of boys to girls in a class is 8 : 1. There are 48 boys. How many girls are there?
  35. 35.4/8 − 1/4 =
  36. 36.If 5 cricket balls cost ₹75, how much do 2 cricket balls cost (in ₹)?
  37. 37.3 × (15 − 8) + 12 ÷ 2 =
  38. 38.Write 1/20 as a percent.
  39. 39.Find the LCM of 12, 9 and 5.
  40. 40.28 ÷ 7 × 4 + 10 =

Answer key

  1. 25
  2. 25.6
  3. 2250
  4. 608
  5. 35/72
  6. 42000
  7. 1
  8. 20
  9. 1500
  10. 3
  11. 120
  12. 12
  13. 300
  14. 24
  15. 2
  16. 40
  17. 4
  18. 345
  19. 68
  20. 71
  21. 148
  22. 120
  23. 40000
  24. 54
  25. 33
  26. 4
  27. 8
  28. 2
  29. 408
  30. 12
  31. 288
  32. 180
  33. 110
  34. 6
  35. 1/4
  36. 30
  37. 27
  38. 5
  39. 180
  40. 26

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