Eight football clubs are to play in a league on home and away basis. How many matches are possible?
-
A.
14 -
B.
28 -
C.
56 -
D.
128
Correct Answer: Option C
Explanation
Number of matches possible = (2 times ^{8}C_{2}) (Home and away repitition of the matches)
= (2 times frac{8!}{(8 – 2)! 2!})
= (2 times 28)
= 56