Search found 4 matches


Tricky question: Milankovitch Reading Comprehension

Line Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun. For some time this theory was considered untestable, largely because there was no sufficiently precise chronology of the ice ages with which the orbital variatio...

by good_dn

Wed May 29, 2013 1:50 am
Forum: Reading Comprehension
Topic: Tricky question: Milankovitch Reading Comprehension
Replies: 0
Views: 1833

Question with wrong ans I think

Hello, Can you please help with this problem? Tickets to a play cost $10 for children and $25 for adults. If 100 tickets were sold, were more adult tickets sold than children's tickets? 1) The average revenue per ticket was $18 2) The revenue from ticket sales exceeded $1750 Solution provided in thi...

by good_dn

Mon May 06, 2013 5:45 pm
Forum: Data Sufficiency
Topic: Question with wrong ans I think
Replies: 1
Views: 1362

Hello, Can you please help with this problem? Tickets to a play cost $10 for children and $25 for adults. If 100 tickets were sold, were more adult tickets sold than children's tickets? 1) The average revenue per ticket was $18 2) The revenue from ticket sales exceeded $1750 OA: D Thanks for your v...

by good_dn

Sun May 05, 2013 6:08 pm
Forum: Data Sufficiency
Topic: Weighted Averages
Replies: 4
Views: 1981

Is it possible for the average to be 18$???

If that is the case then 25a+10c = 1800 (since total tickets was 100)
and a+c =100 (a=number of adult tickets and c is number of children tickets)

a and c will have non integer values. That is not possible

by good_dn

Sun May 05, 2013 6:07 pm
Forum: Data Sufficiency
Topic: Weighted Averages
Replies: 4
Views: 1981