Friday, 3 June 2016
The question is based on the information given below.
A team is to be selected among seven persons – A through G – under the following constraints.
(i) If A is selected, then D must not be selected.
(ii) D and E must not be selected together.
(iii) At most one of E and F can be selected.
(iv) If B is not selected, then C must be selected.
Which of the following can never be true?
(A) If F is not selected, even then a team of five can be selected.
(B) If E is selected, then a team of four can be selected.
(C) To select a team of four, D must always be there.
(D) Exactly two of the above can never be true.
A team is to be selected among seven persons – A through G – under the following constraints.
(i) If A is selected, then D must not be selected.
(ii) D and E must not be selected together.
(iii) At most one of E and F can be selected.
(iv) If B is not selected, then C must be selected.
Which of the following can never be true?
(A) If F is not selected, even then a team of five can be selected.
(B) If E is selected, then a team of four can be selected.
(C) To select a team of four, D must always be there.
(D) Exactly two of the above can never be true.
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Answer to the Question-
ReplyDelete(1) At most one among A and D can be selected.
(2) At most one among D and E can be selected.
(3) At most one among E and F can be selected.
==> At most two among A,D,E and F can be selected.
(4) Both B and C can be selected together.
From the above discussion, we can say that choice (C) can never be true.