In a college, 150 students of MBA are enrolle | vedclass

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(C) Total students $= 150$. Ratio of boys to girls $= 7:8$. Total boys $= (7/15) 	imes 150 = 70$. Total girls $= (8/15) 	imes 150 = 80$.Let $M, H, F

Vedclass · Accepted Answer

$5:4$

Vedclass · Answer

(C) Total students $= 150$. Ratio of boys to girls $= 7:8$. Total boys $= (7/15) 	imes 150 = 70$. Total girls $= (8/15) 	imes 150 = 80$.Let $M, H, F$ represent Marketing, $HR$, and Finance. Boys in $M \cap F = 5$. Girls in $F = 80 	imes 20\% = 16$. Girls in $(M \cap F) = 8$. Girls in $(H \cap F) = 7$. Girls in $(M \cap H \cap F) = 3$. Girls only in $F = (	ext{Total girls in } F) - (	ext{Girls in } M \cap F) - (	ext{Girls in } H \cap F) + (	ext{Girls in } M \cap H \cap F) = 16 - 8 - 7 + 3 = 4$.The number of boys in both Marketing and Finance is given as $5$.The required ratio $= 5:4$.

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