← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 802 · 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. 1.9 painters can paint a school in 26 days. How many days would 6 painters take, working at the same speed?
  2. 2.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  3. 3.3 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
  4. 4.Find the LCM of 2, 8 and 13.
  5. 5.What percent of 250 is 195?
  6. 6.Find the HCF of 90 and 70.
  7. 7.Round 70.54 to one decimal place. =
  8. 8.How many factors does 39 have?
  9. 9.The ratio of boys to girls in a class is 9 : 5. There are 90 boys. How many girls are there?
  10. 10.What percent of 80 is 24?
  11. 11.60% of a number is 72. What is the number?
  12. 12.Ananya takes 30 seconds and Rahul takes 50 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?
  13. 13.Meera scored 56 marks out of 80 in a test. What percentage did Meera score?
  14. 14.How many factors does 58 have?
  15. 15.11/12 − 1/10 =
  16. 16.If 11 pencil boxes cost ₹143, how much do 13 pencil boxes cost (in ₹)?
  17. 17.Which is closest to 905 + 703 + 396? (a) 2000 (b) 2200 (c) 1900 (d) 2100
  18. 18.Sneha scored 36 marks out of 80 in a test. What percentage did Sneha score?
  19. 19.Which is closest to 504 × 32? (Round each number first.) (a) 150000 (b) 1500 (c) 15000 (d) 30000
  20. 20.What is 30% of 200?
  21. 21.7/9 of 72 + 3 × 7 =
  22. 22.What is 4/9 of 54 km?
  23. 23.10 : 7 = 30 : ?
  24. 24.Divide ₹330 between Diya and Dev in the ratio 9 : 2. How much does Dev get (in ₹)?
  25. 25.What is the smallest number you must take away from 335 so that it divides exactly by 9?
  26. 26.What is the smallest number you must take away from 775 so that it divides exactly by 7?
  27. 27.If 3 kg of rice costs ₹111, how many kg can you buy for ₹481?
  28. 28.28 − 12 ÷ 4 × 4 =
  29. 29.Find the smallest number bigger than 8 that leaves a remainder of 1 when divided by 8, 3 or 6.
  30. 30.What is the smallest number you must add to 489 so that it divides exactly by 11?
  31. 31.8 : 6 = 72 : ?
  32. 32.Find the LCM of 13, 3 and 6.
  33. 33.4/6 + 8/9 =
  34. 34.How many factors does 70 have?
  35. 35.Which of these numbers divides exactly by 9? (a) 7446 (b) 1189 (c) 5013 (d) 7484
  36. 36.Which of these numbers divides exactly by 6? (a) 8478 (b) 4568 (c) 6435 (d) 4100
  37. 37.What is 120% of 130?
  38. 38.Two tanks hold 135 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.What is the smallest number you must add to 391 so that it divides exactly by 6?
  40. 40.Round 98810 to the nearest thousand.

Answer key

  1. 39
  2. 63
  3. 3
  4. 104
  5. 78
  6. 10
  7. 70.5
  8. 4
  9. 50
  10. 30
  11. 120
  12. 150
  13. 70
  14. 4
  15. 49/60
  16. 169
  17. 2000
  18. 45
  19. 15000
  20. 60
  21. 77
  22. 24
  23. 21
  24. 60
  25. 2
  26. 5
  27. 13
  28. 16
  29. 25
  30. 6
  31. 54
  32. 78
  33. 14/9
  34. 8
  35. 5013
  36. 8478
  37. 156
  38. 15
  39. 5
  40. 99000

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude