average

Expert replies

ketkoag: Legendary Member; Posts: 876; Joined: Thu Apr 10, 2008 8:14 am; Thanked: 13 times

by ketkoag » Fri Jun 19, 2009 1:05 pm

if the average(arithmetic mean) of 4 numbers is 50, how many of the numbers are greater than 50?
1) none of the 4 numbers is 50.
2) two of the numbers are equal to 25.

my answer is E. please confirm the answer.

Like this post

Source: Beat The GMAT — Data Sufficiency | Fri Jun 19, 2009 1:05 pm

cramya: Legendary Member; Posts: 2467; Joined: Thu Aug 28, 2008 6:14 pmFollowed by: 11 members; Thanked: 331 times

by cramya » Fri Jun 19, 2009 7:35 pm

Agree

Stmt II

25 25 75 75 - >ans is 2
25 25 140 10-> ans 1

INSUFF

Stmt I

Use same examples as above to save time just as if stmt II dint exist when evaluting this and this happens to satosfy our 1st condn none of the numbers are 50

INSUFF

TOGETHER

E

Like this post

Post new topic Post Reply

• Page 1 of 1

GMAT Course Reviews

560 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

5/5

5 Star (560 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

Write a Review