Source: GMAT Prep
All of the members of club Y are either Democrats or Republicans. If 1/2 of the male members and 3/5 of the female members are Democrats, what is the ratio of the number of males to the number of females in the club?
1) In club Y the number of female members is one less than the number of male members.
2) In club Y the number of male Republican members is equal to the number of female Democratic members.
The AO is B
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All of the members of club Y are either Democrats or Republicans. If 1/2 of the male members and 3/5 of...
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BTGmoderatorLU
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Say there x men and y women in the club.BTGmoderatorLU wrote: ↑Tue May 26, 2020 6:49 amSource: GMAT Prep
All of the members of club Y are either Democrats or Republicans. If 1/2 of the male members and 3/5 of the female members are Democrats, what is the ratio of the number of males to the number of females in the club?
1) In club Y the number of female members is one less than the number of male members.
2) In club Y the number of male Republican members is equal to the number of female Democratic members.
The AO is B
Thus, there are x/2 +3y/5 Democrats in the club.
We have to find out the value of x/y.
Let's take each statement one by one.
1) In club Y the number of female members is one less than the number of male members.
x – y = 1. Insufficient.
2) In club Y the number of male Republican members is equal to the number of female Democratic members.
=> x/2 = 3y/5
x/y = 6/5. Sufficient.
The correct answer: B
Hope this helps!
-Jay
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