Comprehension Passage
Directions: Read the given information carefully and answer the given questions.
Each of the six friends M, N, O, P, Q and R has a different weight. O is heavier than Q but lighter than R. N is lighter than only M. Q is not the lightest. R weights 50 kg. M weights 60 kg.
Whose weight among the following could possibly be 40 kg?
1
R
2
N
3
M
4
O
5
Either 1) or 2)