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Which of the following could be the set of programs to be operated on the first day of a month ?

  • A.V, Q, R, T, S
  • B.U, Q, S, T, W
  • C.T, U,R, V, S
  • D.Q, S, R, V, U
  • E.P, R, V, S, U

Answer: C

Correct answer: T, U, R, V, S

Test each option against the four rules. V, Q, R, T, S has V before R when V must come after it. U, Q, S, T, W ends with W, and the last program must be S or U. Q, S, R, V, U contains Q with no T after it. P, R, V, S, U has P and V on the same day. T, U, R, V, S breaks none of them: V follows R, the day ends with S, and neither P nor Q appears.

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