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IQ test

Discussion in 'Jukwaa la Elimu (Education Forum)' started by Yo Yo, Jul 17, 2012.

  1. Yo Yo

    Yo Yo JF-Expert Member

    #1
    Jul 17, 2012
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    The rules are fairly easy. A mother, a father, two girls, two boys, a policeman and a convict are to cross the river with a boat. The conditions are:

    • The convict cannot be alone with any member of the family without the policeman.
    • The father cannot be with the daugther(s) if the mother is not there.
    • The mother cannot be with the boy(s) if the father is not there.
    • Only the father, the mother and the policeman know how to sail the boat (so one of them should be on the boat on each crossing)
    • The boat holds at most 2 people
     
  2. Yo Yo

    Yo Yo JF-Expert Member

    #2
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    nyie vilaza......hii najua kova anaweza
     
  3. Neiwa

    Neiwa JF-Expert Member

    #3
    Jul 17, 2012
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    Coding of Objects

    Mom = M
    Dad = D
    1st Son = Sn 1
    2nd Son = Sn 2
    1st Daughter = Dtr 1
    2nd Daughter = Dtr 2
    Police Officer = P/O
    Convict = Cvt

    Meaning of Signs

    A = Point of Origin of which the subjects are stranded.
    B = Point of Destination of which the subjects intend to reach safely

    Meaning of signals

    -----------------------------> To point B from A

    <----------------------------- From point B to A


    Soln:-
    Point A Point B

    1[SUP]st[/SUP] Trip
    P/O + Cvt --------------------------------------------> C
    P/O <-------------------------------------------

    2[SUP]nd[/SUP] Trip
    P/O + Dtr 1 --------------------------------------------> Dtr 1
    P/O + C<-------------------------------------------


    3rd Trip

    Sn 1 + Dtr 2 --------------------------------------------> Dtr 2, Dtr 1
    Sn 1 <-------------------------------------------


    4th Trip

    Sn 1 + Sn 2 --------------------------------------------> Sn 1, Dtr 2, Dtr 1
    Sn 2 <-------------------------------------------


    5th Trip

    Sn 2 + F --------------------------------------------> Sn 2, Sn 1, Dtr 1 & Dtr 2
    F <-------------------------------------------


    6th Trip

    P/O + Cvt --------------------------------------------> P/O, Cvt, Sn 2, Dtr 1 & Dtr 2
    Sn 1 <-------------------------------------------


    7th Trip

    Sn 1 + F --------------------------------------------> F,P/O, Cvt, Sn 2, Dtr 1 & Dtr 2
    Sn 1 <-------------------------------------------


    8th Trip

    Sn 1 + M --------------------------------------------> P/O, Cvt, M, F, Sn 1, Sn 2, Dtr 1 & Dtr 2.


    Unfortunately understanding the answer too needs an easy understanding mind lolz, Yo Yo could you please provide the results?
     
  4. Neiwa

    Neiwa JF-Expert Member

    #4
    Jul 17, 2012
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    Yaani Yo Yo unatabia mbaya wewe! lolz, Mie nipo kusolve unapost bandiko kama hili? if only i had seen it earlier...
     
  5. Yo Yo

    Yo Yo JF-Expert Member

    #5
    Jul 18, 2012
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    naomba kufuta kauli mkuu......iam deeply very sorry
     
  6. Neiwa

    Neiwa JF-Expert Member

    #6
    Jul 18, 2012
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    I am humbled...
     
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