Bunuel wrote:
The average weight of the men in a meeting room is 170 pounds and the average weight of the women is 130 pounds. If more than 60% of the people in the room are men, which of the following could be the average weight of all people in the room?
I. 156
II. 158
III. 168
A. I only
B. I and II only
C. I and III only
D. II and III only
E. I, II and III
total 10 people
so supposedly so if .6*170+130*.4 ; 102+52;154
so avg has to be >154 for >60% men ; IMO E
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