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I am getting A as answer can some one verify.
i am getting 6 as answer.what other value are u getting except 6??

B is ans.

answered by Boss (5.8k points) 4 23 53
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I am getting A is answer
wt is the another value u r getting behalf of 6?
4 and 6
can u show your relation bcz given 2 points a and b are the condition of complete graph.
where each edge can share exactly 2 committees mean any of the two committees has exactly one edge in comman.
Sorry i made an mistake you are right
values are 4,5 and 6 all are satisfying the condition.Ans should be A.
Prove it

Sorry it's my wrong interpretation , i understood exactly as at least

## The correct answer is 6. Hence, option (B).

answered by Boss (8.8k points) 3 8 12
explanation??
every two group has exactly 1 member common so no. of common members between each two groups among the  four groups = 4c2 = 6

these six members are distinct from each other because it is given that each member is in exactly two committees .      so ans is 6.
answered by (365 points) 1 2 8