LG Game 4 Question 21 Explanation, by LSATHacks
If GG is the third program, then it must be in the third spot, at 2 o’clock:
T is the next most restricted variable. T can only go on the half hour. So T can go second or last:
If T is second, there are two main possibilities. Either W is first, and RS are last. Or R is first, and WS are last in either order:
Both scenarios obey the fourth rule: W is either directly in front of T, or W is somewhere after T. Both diagrams also put R before S.
Let’s look at the second diagram from above, where T is last. There is only one possibility. W must go fifth, directly before T, and RS must go first and second. (rules 3 and 4):
C is CORRECT. S could be the fourth program in this diagram, since W and S are reversible. Remember that GG is just one program:
None of the other answers are possible.
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