GRE Sample Test 2 Quantitative Reasoning 2

Question : 5 of 20

Marks: +1, -0

12.5 percent of k is 80.
k is y percent of 80.
Quantity A : y
Quantity B : 650

Solution:

Translate:

{12.5}/{100} k

= 80, so

1/8

k = 80, and k = 640. Use this information in the other equation:
k = 640 =

y/{100} × 80

, and solve for y:
y =

{10}/8 × 640

= 800.
Quantity A is greater than Quantity B.

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