Question
Six persons (M, N, O, P, Q, and R) are sitting in a
straight row facing north. P sits second to the left of R. One person sits between P and M. O sits second to the right of Q. M doesn’t sit at extreme end of row. N doesn’t sit adjacent to P. How many persons sit between Q and R?Solution
P sits second to the left of R. One person sits between P and M. M doesn’t sit at extreme end of row. M ____ P ____ R O sits second to the right of Q. N doesn’t sit adjacent to P. N  M   Q   P    O   R Final arrangement as shown below: N        M        Q        P        O         R
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