Ratio and Proportion Worksheet

Quantitative aptitude lesson 8: Ratio and proportion · Set 766 · 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.The ratio of boys to girls in a class is 9 : 1. There are 63 boys. How many girls are there?
2. 2.Divide ₹145 between Rohan and Sneha in the ratio 4 : 1. How much does Sneha get (in ₹)?
3. 3.The ratio of boys to girls in a class is 1 : 3. There are 4 boys. How many girls are there?
4. 4.Divide ₹462 between Priya and Vivaan in the ratio 9 : 2. How much does Priya get (in ₹)?
5. 5.9 : 7 = 36 : ?
6. 6.3 : 14 = 21 : ?
7. 7.Find the third proportional to 2 and 4 (that is, 2 : 4 = 4 : ?).
8. 8.Find the third proportional to 8 and 40 (that is, 8 : 40 = 40 : ?).
9. 9.Divide ₹49 between Karan and Dev in the ratio 6 : 1. How much does Karan get (in ₹)?
10. 10.Divide ₹210 between Pooja and Meera in the ratio 7 : 3. How much does Pooja get (in ₹)?
11. 11.The ratio of boys to girls in a class is 8 : 9. There are 32 boys. How many girls are there?
12. 12.Divide ₹374 between Vivaan and Nisha in the ratio 9 : 8. How much does Vivaan get (in ₹)?
13. 13.12 : 14 = 108 : ?
14. 14.The ratio of boys to girls in a class is 5 : 4. There are 15 boys. How many girls are there?
15. 15.Divide ₹133 between Aarav and Kavya in the ratio 6 : 1. How much does Aarav get (in ₹)?
16. 16.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
17. 17.Divide ₹159 between Isha and Arjun in the ratio 1 : 2. How much does Isha get (in ₹)?
18. 18.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
19. 19.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
20. 20.Divide ₹45 between Karan and Isha in the ratio 2 : 1. How much does Isha get (in ₹)?
21. 21.The ratio of boys to girls in a class is 1 : 7. There are 2 boys. How many girls are there?
22. 22.Divide ₹462 between Karan and Dev in the ratio 3 : 8. How much does Dev get (in ₹)?
23. 23.Divide ₹259 between Pooja and Rohan in the ratio 1 : 6. How much does Rohan get (in ₹)?
24. 24.11 : 15 = 22 : ?
25. 25.Divide ₹423 between Rohan and Ishaan in the ratio 8 : 1. How much does Rohan get (in ₹)?
26. 26.The ratio of boys to girls in a class is 1 : 9. There are 5 boys. How many girls are there?
27. 27.The ratio of boys to girls in a class is 3 : 5. There are 24 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. 29.12 : 13 = 48 : ?
30. 30.The ratio of boys to girls in a class is 7 : 9. There are 21 boys. How many girls are there?
31. 31.Divide ₹496 between Diya and Dev in the ratio 7 : 9. How much does Dev get (in ₹)?
32. 32.Divide ₹182 between Priya and Saanvi in the ratio 2 : 5. How much does Priya get (in ₹)?
33. 33.Find the third proportional to 3 and 12 (that is, 3 : 12 = 12 : ?).
34. 34.Divide ₹440 between Arjun and Dev in the ratio 6 : 5. How much does Dev get (in ₹)?
35. 35.2 : 4 = 8 : ?
36. 36.Divide ₹559 between Rohan and Kabir in the ratio 7 : 6. How much does Kabir get (in ₹)?
37. 37.Divide ₹660 between Aarav and Vivaan in the ratio 4 : 7. How much does Vivaan get (in ₹)?
38. 38.The ratio of boys to girls in a class is 1 : 7. There are 7 boys. How many girls are there?
39. 39.Divide ₹315 between Ananya and Priya in the ratio 8 : 1. How much does Ananya get (in ₹)?
40. 40.10 : 12 = 40 : ?

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