1 Answers

Option 3 : 6

Nine individuals -: Z, Y, X, W, V, U, T, S and R

Three committees-K1, K2 and K3,

1) Each candidate should serve on exactly one of the committees.

2) Among Z, Y and X none can serve on committee K1.

2) Among W, V and U none can serve on committee K2.

3) Among T, S and R none can serve on committee K3

4) It is possible that there are no members in committee K3

Committees

Individuals who can serve

Individuals who cannot serve

K1

 

Z, Y, X

K2

 

W, V, U

K3

 

T, S, R

Of the nine individuals, the largest number that can serve together on committee K3 = 9 – Number of members who cannot serve K3

= 9 – 3

= 6

Hence, ‘6’ is the correct answer.

6 views

Related Questions