Weird DS Question

The answer must be C, because:

Let assume that the college has
Males: 100M
Females: 100F
Total: 100M+100F

A) 33M + 20F = another college...(we donot have the data how many are from other college).. Hence in sufficient.

B) 25M+25F= another college.... again we donot have the data(breakup) of the other college..hence in sufficient.

Now combining both of them we have:
33M + 20F = 25M+25F
9M=5F

The ratio can be calculated now...

Hence the anwer is C..

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parallel_chase: Legendary Member; Posts: 1153; Joined: Wed Jun 20, 2007 6:21 am; Thanked: 146 times; Followed by:2 members

by parallel_chase » Sun Sep 07, 2008 12:58 am

gurudev wrote: 33M + 20F = 25M+25F

It be nice if you could explain the above,

shouldn't this be

33M + 20F = 25% of entire graduating class.

Thanks

Quote

gurudev: Junior | Next Rank: 30 Posts; Posts: 29; Joined: Sun Jul 20, 2008 11:00 am; Thanked: 1 times

by gurudev » Sun Sep 07, 2008 1:06 am

25 % of entire graduating class.

Now we have assumed that entire graduting class= 100M + 100F.

So, 25 % of entire graduating class comes to be = 25M + 25F...Hope this helps..