If 1 < x < y < z, which of the following has the greatest value

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Last Updated on May 11, 2023

GMAT OFFICIAL GUIDE PS

Solution:

We can let x = 2, y = 3, and z = 4, and we have:

A) z(x+1)

4(3) = 12

B) z(y+1)

4(4) = 16

C) x(y+z)

2(7) = 14

D) y(x+z)

3(6) = 18

E) z(x+y)

4(5) = 20

Answer: E

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