Triangles MNP and QRS are right-angled at N and R respectively. It is given that MN=QR and MP=QS. Which of the following is the correct conclusion?
(a) △MNP≅△QRS by ASA
(b) △MNP≅△QRS by SAS
(c) △MNP≅△QRS by RHS
(d) The given information is insufficient to prove congruence