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Ratio and Proportion Worksheet

Quantitative aptitude lesson 8: Ratio and proportion · Set 270 · 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).

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  1. 1.2 : 9 = 14 : ?
  2. 2.Divide ₹522 between Sneha and Zoya in the ratio 4 : 5. How much does Sneha get (in ₹)?
  3. 3.Divide ₹72 between Zoya and Aarav in the ratio 8 : 1. How much does Zoya get (in ₹)?
  4. 4.Divide ₹135 between Rahul and Dev in the ratio 4 : 5. How much does Dev get (in ₹)?
  5. 5.The ratio of boys to girls in a class is 1 : 5. There are 3 boys. How many girls are there?
  6. 6.Divide ₹160 between Pooja and Tara in the ratio 7 : 3. How much does Tara get (in ₹)?
  7. 7.Divide ₹532 between Aarav and Meera in the ratio 9 : 5. How much does Aarav get (in ₹)?
  8. 8.8 : 7 = 64 : ?
  9. 9.The ratio of boys to girls in a class is 1 : 3. There are 10 boys. How many girls are there?
  10. 10.The ratio of boys to girls in a class is 8 : 7. There are 64 boys. How many girls are there?
  11. 11.Divide ₹187 between Aditya and Kavya in the ratio 3 : 8. How much does Kavya get (in ₹)?
  12. 12.Divide ₹156 between Farhan and Rohan in the ratio 5 : 7. How much does Rohan get (in ₹)?
  13. 13.Divide ₹56 between Aarav and Ananya in the ratio 1 : 6. How much does Aarav get (in ₹)?
  14. 14.8 : 3 = 56 : ?
  15. 15.Divide ₹242 between Saanvi and Isha in the ratio 4 : 7. How much does Isha get (in ₹)?
  16. 16.The ratio of boys to girls in a class is 4 : 5. There are 40 boys. How many girls are there?
  17. 17.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  18. 18.Divide ₹30 between Rohan and Arjun in the ratio 2 : 3. How much does Rohan get (in ₹)?
  19. 19.Divide ₹504 between Diya and Ishaan in the ratio 4 : 5. How much does Diya get (in ₹)?
  20. 20.The ratio of boys to girls in a class is 4 : 3. There are 16 boys. How many girls are there?
  21. 21.Divide ₹120 between Kavya and Dev in the ratio 4 : 1. How much does Kavya get (in ₹)?
  22. 22.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
  23. 23.9 : 4 = 18 : ?
  24. 24.Divide ₹432 between Priya and Meera in the ratio 7 : 1. How much does Meera get (in ₹)?
  25. 25.The ratio of boys to girls in a class is 2 : 3. There are 4 boys. How many girls are there?
  26. 26.12 : 13 = 60 : ?
  27. 27.Divide ₹30 between Tara and Kabir in the ratio 1 : 2. How much does Kabir get (in ₹)?
  28. 28.11 : 7 = 44 : ?
  29. 29.4 : 6 = 36 : ?
  30. 30.Divide ₹430 between Isha and Kabir in the ratio 9 : 1. How much does Kabir get (in ₹)?
  31. 31.The ratio of boys to girls in a class is 2 : 9. There are 8 boys. How many girls are there?
  32. 32.7 : 3 = 28 : ?
  33. 33.The ratio of boys to girls in a class is 3 : 7. There are 21 boys. How many girls are there?
  34. 34.Divide ₹407 between Dev and Diya in the ratio 7 : 4. How much does Dev get (in ₹)?
  35. 35.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  36. 36.The ratio of boys to girls in a class is 7 : 8. There are 70 boys. How many girls are there?
  37. 37.3 : 6 = 21 : ?
  38. 38.Divide ₹154 between Dev and Rahul in the ratio 2 : 9. How much does Dev get (in ₹)?
  39. 39.The ratio of boys to girls in a class is 8 : 5. There are 24 boys. How many girls are there?
  40. 40.Divide ₹208 between Ananya and Karan in the ratio 5 : 8. How much does Ananya get (in ₹)?

Answer key

  1. 63
  2. 232
  3. 64
  4. 75
  5. 15
  6. 48
  7. 342
  8. 56
  9. 30
  10. 56
  11. 136
  12. 91
  13. 8
  14. 21
  15. 154
  16. 50
  17. 12
  18. 12
  19. 224
  20. 12
  21. 96
  22. 28
  23. 8
  24. 54
  25. 6
  26. 65
  27. 20
  28. 28
  29. 54
  30. 43
  31. 36
  32. 12
  33. 49
  34. 259
  35. 16
  36. 80
  37. 42
  38. 28
  39. 15
  40. 80

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