There are A,B techers and C,D doctors.?

Question

Find the possible no of combinations that should not be repeated more than once?

Answer 1

The possible combination are [assuming (A,B) is equivalent to (B,A)]

(A,B), (A,C), (A,D), (B,C), (B.D), (C,D) - 6 Pairs are available

If One teacher and One Doctor, then it is:

(A,C), (A,D), (B,C), (B,D) - 4 Pairs

AJM

Answer 2

what do you mean? if you treat it is a matching problem between teachers and doctors, the answer is 4

Answer 3

4

Answer 4

A and B r teachers C and D r docters (A:c)(A:D) (B:C)(B:D)total 4 combinations

Answer 5

Jyoti, what is a techer? do you mean teacher? And what type of combinations do you need? How many 2 or 3 or all the 4? How can there be repititions when all are distinct?

Please read the Q carefully from the book and type it more carefully. Ok?