McGraw-Hill Education GRE 2019

18. (√ 3 + √ 2 ) (√ 3 − √ 2 ) (√ 7 − √ 5 ) (√ 7 + √ 5 )

A 1

B 2

C 3

D 4

E 5

19. If 5–x + 5–x + 5–x + 5–x + 5–x = 1, then x must equal (numeric entry)


20. If 0 < a < 1 < b, then which of the following is greatest?

A ab

B ab

C ba

D (^) (ba (^2) )
E (^) (ab (^2) )
S T O P.
This is the end of Section 6.
502 PART 5 ■ GRE PRACTICE TESTS
05-GRE-Test-2018_463-582.indd 502 12/05/17 12:14 pm