(A)1
(B)
(C)
(D)
(E)
Solution for GRE Math Problem 8:
Total steps down: 4+6+2=12Total steps up: 3+2+9=14
So, he is standing by 14-12=2 steps above
Answer:(A) 2 steps above
Tuesday, January 12, 2010
Math Problem 9
A student conducts an experiment in biology lab and discovers that the ratio of the number of insects in a given population having characteristic X to the number of insects in the population not having characteristic X is 5:3, and that 
of the insects having characteristic X are male insects. What proportion of the total insect population are male insects having the characteristic X?
(A)1
(B)
(C)
(D)
(E)
Total steps up: 3+2+9=14
So, he is standing by 14-12=2 steps above
Answer:(A) 2 steps above
(A)1
(B)
(C)
(D)
(E)
Total steps up: 3+2+9=14
So, he is standing by 14-12=2 steps above
Answer:(A) 2 steps above
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