Question 10

L, M, N and O are to be seated in a row. However, N and O cannot be together. Moreover, M cannot be in the third place from the left. L and M are sitting beside each other. Considering the seating from left to right which of the following must be true?

Solution

If L and M are sitting beside each other, and N and O cannot be together, thus L and M must sit together in the middle.

Also, M cannot be in the third place from the left, hence M sits at second place.

Final arrangement :

Thus, the only statement that must be true is that L is at the third place.

=> Ans - (B)

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