Comprehension Passage
Direction: Answer the questions based on the information given below:
Among six friends M, N, O, P, Q and R. The height of O is more than N and M. Q is taller than P and O. R is tallest among all. P is taller than only two persons. N is not shortest.
How many persons are shorter than O?
1
2
2
3
3
4
4
None of these
5
5