There are A, B teachers and C,D doctors. Find the possible no. of combinations that should not be repeated more than once?
Submitted by: AdministratorThere are 15 possible combination
4C1+ 4C2 + 4C3+ 4C4= 15
One value missed is ACD in the above given 14 combinations.
Submitted by: Administrator
4C1+ 4C2 + 4C3+ 4C4= 15
One value missed is ACD in the above given 14 combinations.
Submitted by: Administrator
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