Question 1198919
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Number the seats 1 through 6.<br>
(1) Eliot and Doug have three people between them.
That means Eliot and Doug are either in seats 1 and 5, or seats 2 and 6.<br>
E  2  3  4  D  6  or  1  E  3  4  5  D<br> 
(2) Andy is on the end, but Eliot isn't.
With (1), that means Eliot and Doug are in seats 2 and 6, respectively.  Then, since Andy is on an end, he is in seat 1.<br>
A  E  3  4  5  D<br>
(3) Chuck sits next to Eliot but not next to Bob.
That means Chuck is in seat 3 and Bob is in seat 5.<br>
A  E  C  4  B  D<br>
That leaves Frank in seat 4, between Chuck and Bob.<br>
ANSWER: a)<br>