Seven executives P, Q, R, S, T, U andW reach office in a particular sequence.
U reaches immediately before P but does not immediately follow S. R is the last one to reach office. T follows immediately after P and is subsequently followed by W.
Among the executives, who reaches the office first ?
Option:
A. Q
B. S
C. U
D. Can't be determined
E. None of these
Answer: B . S
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Justification:
Clearly, U is followed by P; P by T; T by W.
Now, U does not immediately follow S and R reaches last.
So, the order of reaching office is : S, Q, U, P, T, W, R.
S is the first to reach office.
