hey there

CAT is a competitive  test for admission in a  management programs in ALL THE IIMS or other B SCHOOL in India .rate of success is around  around 2% that is  for  2 out of every 100 students who appeared  clears the examination

NMAT  is a national level entrance test conducted for MBA admissions at NMIMS University and other B-Schools in India . NMIMS shortlists around 1000 students from which only 600 make it.

Common Management Admission Test is an online entrance test conducted  by the National Testing Agency for the admission for various colleges like EMPI Business School International Institute of Management Studies Jaypee Business School.

CMAT exam is supposedly easier  as compared to CAT   Both of  the exams have  moreover same portions . Mainly CMAT tests your  basics and  General Knowledge

conclusion cat is easily the hardest of the bunch then cmat then nmat