← Ratio and proportion lesson New set →

Ratio and Proportion Worksheet

Quantitative aptitude lesson 8: Ratio and proportion · Set 721 · 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. 1.2 : 8 = 8 : ?
  2. 2.Divide ₹104 between Ishaan and Kavya in the ratio 1 : 7. How much does Kavya get (in ₹)?
  3. 3.10 : 13 = 20 : ?
  4. 4.The ratio of boys to girls in a class is 2 : 7. There are 16 boys. How many girls are there?
  5. 5.The ratio of boys to girls in a class is 1 : 7. There are 9 boys. How many girls are there?
  6. 6.6 : 9 = 48 : ?
  7. 7.4 : 3 = 20 : ?
  8. 8.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
  9. 9.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  10. 10.6 : 9 = 30 : ?
  11. 11.Divide ₹407 between Arjun and Rohan in the ratio 9 : 2. How much does Arjun get (in ₹)?
  12. 12.Divide ₹430 between Dev and Rohan in the ratio 1 : 9. How much does Rohan get (in ₹)?
  13. 13.Divide ₹450 between Ananya and Manav in the ratio 1 : 9. How much does Ananya get (in ₹)?
  14. 14.Divide ₹300 between Aditya and Pooja in the ratio 7 : 8. How much does Pooja get (in ₹)?
  15. 15.Divide ₹434 between Zoya and Meera in the ratio 5 : 9. How much does Zoya get (in ₹)?
  16. 16.Divide ₹170 between Ananya and Karan in the ratio 4 : 1. How much does Karan get (in ₹)?
  17. 17.3 : 10 = 9 : ?
  18. 18.Divide ₹245 between Rahul and Pooja in the ratio 1 : 4. How much does Rahul get (in ₹)?
  19. 19.The ratio of boys to girls in a class is 1 : 3. There are 7 boys. How many girls are there?
  20. 20.Divide ₹198 between Diya and Kavya in the ratio 8 : 3. How much does Kavya get (in ₹)?
  21. 21.Divide ₹616 between Diya and Karan in the ratio 9 : 2. How much does Diya get (in ₹)?
  22. 22.Find the third proportional to 5 and 15 (that is, 5 : 15 = 15 : ?).
  23. 23.The ratio of boys to girls in a class is 2 : 7. There are 4 boys. How many girls are there?
  24. 24.2 : 9 = 8 : ?
  25. 25.9 : 10 = 72 : ?
  26. 26.Find the third proportional to 7 and 28 (that is, 7 : 28 = 28 : ?).
  27. 27.The ratio of boys to girls in a class is 4 : 3. There are 28 boys. How many girls are there?
  28. 28.The ratio of boys to girls in a class is 9 : 8. There are 63 boys. How many girls are there?
  29. 29.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  30. 30.10 : 12 = 40 : ?
  31. 31.Divide ₹470 between Rahul and Kabir in the ratio 3 : 7. How much does Rahul get (in ₹)?
  32. 32.The ratio of boys to girls in a class is 9 : 1. There are 36 boys. How many girls are there?
  33. 33.Divide ₹135 between Farhan and Priya in the ratio 3 : 2. How much does Farhan get (in ₹)?
  34. 34.6 : 9 = 18 : ?
  35. 35.2 : 9 = 18 : ?
  36. 36.4 : 13 = 32 : ?
  37. 37.The ratio of boys to girls in a class is 4 : 5. There are 8 boys. How many girls are there?
  38. 38.5 : 13 = 25 : ?
  39. 39.7 : 3 = 49 : ?
  40. 40.Divide ₹255 between Dev and Sneha in the ratio 9 : 8. How much does Sneha get (in ₹)?

Answer key

  1. 32
  2. 91
  3. 26
  4. 56
  5. 63
  6. 72
  7. 15
  8. 8
  9. 28
  10. 45
  11. 333
  12. 387
  13. 45
  14. 160
  15. 155
  16. 34
  17. 30
  18. 49
  19. 21
  20. 54
  21. 504
  22. 45
  23. 14
  24. 36
  25. 80
  26. 112
  27. 21
  28. 56
  29. 32
  30. 48
  31. 141
  32. 4
  33. 81
  34. 27
  35. 81
  36. 104
  37. 10
  38. 65
  39. 21
  40. 120

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