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
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Answer:
3 is the answer please mark me the brainliest please
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