GRE Sample Test 5 Quantitative Reasoning 1

Test different numbers that would satisfy the prompt. If x =

1

2

, then

1

23

>

1

25

. Thus,

1

2

is a possible value for x. In this case, Quantity A is greater. What about negative numbers? If x = −2, then (−2)3 > (−2)5. Thus, −2 is a possible value for x. In this case, Quantity B is greater.