← Ratio and proportion lesson New set →

Ratio and Proportion Worksheet

Quantitative aptitude lesson 8: Ratio and proportion · Set 37 · 40 questions
TalentJR

The method (One part): Divide in a ratio a : b: one part = total ÷ (a + b); shares are a parts and b parts. If you know one share, one part = that share ÷ its number of parts. Proportion a : b = c : d means a × d = b × c (fourth proportional d = b × c ÷ a; third proportional to a and b is b × b ÷ a).

NameDateTime takenScore ___ / 40
  1. 1.Divide ₹230 between Kabir and Rohan in the ratio 3 : 2. How much does Kabir get (in ₹)?
  2. 2.5 : 4 = 35 : ?
  3. 3.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  4. 4.The ratio of boys to girls in a class is 1 : 9. There are 8 boys. How many girls are there?
  5. 5.Find the third proportional to 6 and 30 (that is, 6 : 30 = 30 : ?).
  6. 6.Divide ₹85 between Diya and Sneha in the ratio 9 : 8. How much does Diya get (in ₹)?
  7. 7.Find the third proportional to 9 and 36 (that is, 9 : 36 = 36 : ?).
  8. 8.The ratio of boys to girls in a class is 3 : 5. There are 12 boys. How many girls are there?
  9. 9.Find the third proportional to 2 and 8 (that is, 2 : 8 = 8 : ?).
  10. 10.The ratio of boys to girls in a class is 1 : 6. There are 10 boys. How many girls are there?
  11. 11.Divide ₹234 between Aarav and Karan in the ratio 5 : 1. How much does Aarav get (in ₹)?
  12. 12.11 : 2 = 88 : ?
  13. 13.The ratio of boys to girls in a class is 1 : 4. There are 10 boys. How many girls are there?
  14. 14.Divide ₹448 between Zoya and Manav in the ratio 1 : 7. How much does Zoya get (in ₹)?
  15. 15.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  16. 16.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  17. 17.3 : 12 = 6 : ?
  18. 18.Find the third proportional to 5 and 20 (that is, 5 : 20 = 20 : ?).
  19. 19.Find the third proportional to 8 and 40 (that is, 8 : 40 = 40 : ?).
  20. 20.Divide ₹165 between Pooja and Priya in the ratio 4 : 1. How much does Pooja get (in ₹)?
  21. 21.7 : 10 = 28 : ?
  22. 22.The ratio of boys to girls in a class is 3 : 8. There are 9 boys. How many girls are there?
  23. 23.Divide ₹315 between Arjun and Isha in the ratio 8 : 1. How much does Isha get (in ₹)?
  24. 24.11 : 12 = 99 : ?
  25. 25.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  26. 26.Divide ₹378 between Ananya and Meera in the ratio 2 : 5. How much does Meera get (in ₹)?
  27. 27.The ratio of boys to girls in a class is 4 : 3. There are 32 boys. How many girls are there?
  28. 28.Divide ₹833 between Diya and Ananya in the ratio 8 : 9. How much does Diya get (in ₹)?
  29. 29.Find the third proportional to 4 and 16 (that is, 4 : 16 = 16 : ?).
  30. 30.Divide ₹171 between Rahul and Tara in the ratio 8 : 1. How much does Tara get (in ₹)?
  31. 31.Divide ₹44 between Sneha and Aditya in the ratio 3 : 1. How much does Aditya get (in ₹)?
  32. 32.12 : 9 = 72 : ?
  33. 33.4 : 10 = 32 : ?
  34. 34.The ratio of boys to girls in a class is 7 : 8. There are 56 boys. How many girls are there?
  35. 35.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  36. 36.The ratio of boys to girls in a class is 3 : 1. There are 30 boys. How many girls are there?
  37. 37.Divide ₹70 between Diya and Meera in the ratio 6 : 1. How much does Diya get (in ₹)?
  38. 38.Divide ₹390 between Manav and Arjun in the ratio 7 : 8. How much does Arjun get (in ₹)?
  39. 39.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  40. 40.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).

Answer key

  1. 138
  2. 28
  3. 8
  4. 72
  5. 150
  6. 45
  7. 144
  8. 20
  9. 32
  10. 60
  11. 195
  12. 16
  13. 40
  14. 56
  15. 28
  16. 54
  17. 24
  18. 80
  19. 200
  20. 132
  21. 40
  22. 24
  23. 35
  24. 108
  25. 24
  26. 270
  27. 24
  28. 392
  29. 64
  30. 19
  31. 11
  32. 54
  33. 80
  34. 64
  35. 63
  36. 10
  37. 60
  38. 208
  39. 16
  40. 45

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