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.
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