Compare two values:
| Column A | Column B |
| The area of the shaded region | The area of the yellow region |
Solution for GRE Math Problem 20:
Since x + y = a, y + z = b, and x + z = c, a+b+c=2x+2y+2z=2(x+y+z). So, x+y+z=
Answer:(D)
Saturday, January 30, 2010
GRE Math Problem 21
The figure below consists of four circles with the same center. The radii of the four circles are 1, 2, 3, and 4.
Compare two values:
Solution for GRE Math Problem 20:
Since x + y = a, y + z = b, and x + z = c, a+b+c=2x+2y+2z=2(x+y+z). So, x+y+z=
. And the average of x, y and x is 
Answer:(D)
Compare two values:
Solution for GRE Math Problem 20:
Since x + y = a, y + z = b, and x + z = c, a+b+c=2x+2y+2z=2(x+y+z). So, x+y+z=
Answer:(D)
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