NINE INDIVIDUALS -: Z, Y, X, W, V, U, T, S and RThree 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 K34) It is possible that there are no members in committee K3CommitteesIndividuals who can serveIndividuals who cannot serveK1 Z, Y, XK2 W, V, UK3 T, S, ROf the nine individuals, the largest number that can serve together on committee K3 = 9 – Number of members who cannot serve K3= 9 – 3= 6Hence, ‘6’ is the correct ANSWER.