Six persons Jacob, William, Liam, Alexander
Ethan, and Andrew have to give presentations, not
necessarily in the same order.
I. Andrew either delivers his presentation at the start or at the end
II. Jacob delivers his presentation immediately after ethan
III. There are exactly three presentations between William and liam
IV. Alexander is the second person to deliver his presentation
Q 19) How many different possible combinations of scheduling are possible'
A. 3
B.2
C.4
D.1
Q 20 Who delivers his presentation immediately after William
A.Andrew
B. Either Alexander or Andrew
C.Jacob
D.Alexander
Answers
Answered by
1
I think it is option b because I have done it
Answered by
6
Q19. (B), 2.
Q20. (B), Either Alexander or Andrew.
The order in which these 6 people give a presentation can be.
William, Alex, Ethan, Jacob, Liam, Andrew.
Liam, Alex, Ethan, Jacob, William, Andrew.
Therefore, two possible arrangements are there.
We came to this conclusion by following the given hints step-by-step.
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