Groups

Written on 11:20 pm by Vja Students

Major Chaitu is forming five-person Special Task Group. The group must contain one leader, two bomb-experts and two soldiers. P, Q and R are possible bomb-experts. R, S and T are possible leaders. U, V and W are possible soldiers. Also, P and R prefers to work with each other in the same team. T prefers to work only if V works. How many different possible Groups, Major Chaitu can make?

Answer
Major Chaitu can make 8 different possible groups

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4 Comments

  1. Anonymous | 17 December 2007 at 7:19 am

    Ans is 8 ?

     
  2. Unknown | 18 December 2007 at 9:30 pm

    how only eight groups are possible? i think its 24 groups are possible.
    they r
    TQRUV,TQRVW,TPQVW,TPQUV,TPRVW,TPRUV
    RPRUW,RPRVW,RPRUV,RPQVW,RPQUW,RPQUV,RQRUV,RQRUW,RQRVW
    SPQVW,SPRUW,SQRUV,SPQUV,SPQUW,SPRVW,SPRUV,SQRVW,SQRUW.

     
  3. Unknown | 18 December 2007 at 9:31 pm

    PLEASE CONFIRM IT AND TELL ME..

     
  4. Anonymous | 19 December 2007 at 5:09 am

    The writing of the problem is slightly ambiguous. If P and R "prefer" to work together, that doesn't mean they won't accept NOT working together. The statement for T is not confusing, it's just weird (prefer to work only if).

    My suggestion would be like:
    "P and R must work together on the same team" (or P and R said they would only work together). "T works only if V works".

     

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