Instructions

K, L, M, N, P, Q, R, S, U and W are the only ten members in a department. There is a proposal to form a team from within the members of the department, subject to the following conditions:

  1.  A team must include exactly one among P,R and S.
  2.  A team must include either M or Q, but not both.
  3.  If a team includes K, then it must also include L, and vice versa.
  4.  If a team includes one among S, U and W, then it should also include the other two.
  5.  L and N cannot be members of the same team.
  6.  L and U cannot be members of the same team.

The size of a team is defined as the number of members in the team.

Question 46

What could be the size of a team that includes K?

Solution

A team which has K should have L also. 

Since L is there in the team, N and U should not be there in the team. Since U is not there in the team, S and W should not be there in the team.

So, the team will have K, L, one of P and R and one of M or Q.

So, the team size will be 4.

Video Solution

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