Ratio and Proportion Worksheet

Quantitative aptitude lesson 8: Ratio and proportion · Set 577 · 40 questions

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).

1. 1.12 : 11 = 60 : ?
2. 2.Divide ₹42 between Sneha and Kabir in the ratio 2 : 5. How much does Kabir get (in ₹)?
3. 3.The ratio of boys to girls in a class is 1 : 4. There are 3 boys. How many girls are there?
4. 4.The ratio of boys to girls in a class is 7 : 9. There are 28 boys. How many girls are there?
5. 5.10 : 6 = 80 : ?
6. 6.Divide ₹495 between Ananya and Kabir in the ratio 5 : 6. How much does Kabir get (in ₹)?
7. 7.Find the third proportional to 3 and 9 (that is, 3 : 9 = 9 : ?).
8. 8.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
9. 9.Divide ₹462 between Aarav and Arjun in the ratio 5 : 9. How much does Arjun get (in ₹)?
10. 10.Find the third proportional to 5 and 10 (that is, 5 : 10 = 10 : ?).
11. 11.Divide ₹220 between Tara and Ananya in the ratio 1 : 3. How much does Ananya get (in ₹)?
12. 12.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
13. 13.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
14. 14.The ratio of boys to girls in a class is 6 : 7. There are 48 boys. How many girls are there?
15. 15.Divide ₹99 between Kabir and Farhan in the ratio 2 : 9. How much does Kabir get (in ₹)?
16. 16.7 : 13 = 42 : ?
17. 17.11 : 8 = 22 : ?
18. 18.Divide ₹288 between Aarav and Rohan in the ratio 4 : 5. How much does Rohan get (in ₹)?
19. 19.4 : 15 = 20 : ?
20. 20.The ratio of boys to girls in a class is 3 : 2. There are 6 boys. How many girls are there?
21. 21.The ratio of boys to girls in a class is 2 : 9. There are 6 boys. How many girls are there?
22. 22.The ratio of boys to girls in a class is 7 : 8. There are 35 boys. How many girls are there?
23. 23.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
24. 24.The ratio of boys to girls in a class is 1 : 4. There are 2 boys. How many girls are there?
25. 25.Divide ₹368 between Aditya and Meera in the ratio 7 : 9. How much does Meera get (in ₹)?
26. 26.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
27. 27.Find the third proportional to 7 and 14 (that is, 7 : 14 = 14 : ?).
28. 28.2 : 12 = 8 : ?
29. 29.The ratio of boys to girls in a class is 4 : 7. There are 28 boys. How many girls are there?
30. 30.The ratio of boys to girls in a class is 4 : 7. There are 12 boys. How many girls are there?
31. 31.The ratio of boys to girls in a class is 9 : 8. There are 54 boys. How many girls are there?
32. 32.Divide ₹944 between Karan and Rohan in the ratio 9 : 7. How much does Rohan get (in ₹)?
33. 33.Find the third proportional to 8 and 24 (that is, 8 : 24 = 24 : ?).
34. 34.2 : 11 = 12 : ?
35. 35.The ratio of boys to girls in a class is 9 : 1. There are 81 boys. How many girls are there?
36. 36.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
37. 37.The ratio of boys to girls in a class is 7 : 2. There are 21 boys. How many girls are there?
38. 38.The ratio of boys to girls in a class is 2 : 1. There are 8 boys. How many girls are there?
39. 39.Divide ₹88 between Arjun and Pooja in the ratio 1 : 7. How much does Pooja get (in ₹)?
40. 40.Divide ₹624 between Rahul and Manav in the ratio 9 : 4. How much does Rahul get (in ₹)?

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