Question

The technical help desk completes requests in the order in which they are received. On Monday requests were made by seven employees in the following order
Bonnie before Chac
Doug after Chad and Bonnie
Eileen before Chad and Doug
Fay before Eileen
Greg after Bonnie
Heidi after Greg
If Eileen's request was completed before Greg's, then which of the following MUST be true?
A. Heidi submitted her request after Fay
B. Doug submitted his request after Heidi
C. Fay submitted her request after Bonnie
D. Greg submitted his request after Chad
E. Bonnie submitted her request first

Answer 1

Answer:

A. Heidi submitted her request after Fay

Explanation:

Bonnie before Chac

Doug after Chad and Bonnie

Eileen before Chad and Doug

Fay before Eileen

Greg after Bonnie

Heidi after Greg

if Eileen's request was completed before Greg's:

lets call Fay's request A, Heidi's request B, Eileen's request C and Doug's request D

A before C

C before D

B after D

therefore, B after A and C