Correct option is A
Given:
Pass percentage of school B = 32%
Pass percentage of school C is 24%
Solution:
Pass percentage of school B = 32%
Pass percentage of boy in school B = (3/8) of 32%
=> 12%
Pass percentage of school C = 24%
Pass percentage of boys in school C = (1/3) of 24%
=> 8%
Boys percentage of school B : Boys percentage of school C = 12 : 8
=> 3 : 2
Hence, option (a) is the correct answer.




