GRE Sample Test 5 Quantitative Reasoning 1

Question : 10 of 20

Marks: +1, -0

If each of the sides of a certain square is doubled in length, by what factor will the area of the square increase?

Your Answer:

Solution:

Plug in numbers. Let the original side length of the square = 3. In this case, the original area is 9. If the length of each side is doubled, then the length of each side is 6 and the corresponding area is

6^6

= 36

{36}/9

= 4

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