In how many ways a team can be constituted so that the team includes N?
Explanation:
If the team includes N, it does not include L and K.
One out of M and Q can be included and one out of P, S and R can be included.
If S is a member, so are U and W.
Thus the possible teams are:
Hence, option (e).
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.