Wednesday, December 16, 2009
GMAT Question of the day
If X^4+Y^4=100, then the greatest possible value of X is between:
A. 0 and 3
B. 3 and 6
C. 6 and 9
D. 9 and 12
E. 12 and 15
Answer:
X^4+Y^4=100
x^4<100
x^2<10
so the only option that has values is B
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