Monday, January 11, 2010

Math Problem 8

A person is standing on a staircase. He walks down 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started?
(A) 2 steps above
(B) 1 step above
(C) the same place
(D) 1 step below
(E) 2 steps below

Solution for GRE Math Problem 7:


Let's abstract from costs, profits and other financial terms. We just have two equations:
p=4
c+p=20
c - ?
Then,
c=20-p
c=16

Answer:(C)$16


See also these GRE problems:

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