8 friends a b c d e f g h are to be seated around a round table find probbility a and b never sit
Answers
Answered by
6
5 is the answer
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Answered by
8
Answer:
answer is 5/7
Step-by-step explanation:
let us fix a,so b be can be placed in any where but not with a.so a is fixed means remaining alphabets are 7,the b is not with a means 7-1=6.
if a is in middle means b can't with one next with a,6-1=5;
remaining is 5;the possibility is 7
answer is 5/7.
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