retagged by
875 views

Related questions

0 votes
0 votes
1 answer
1
aditi19 asked Oct 25, 2018
947 views
How many cards must be chosen from a standard deck of 52 cards to guarantee that there are at least two cards of each of two different kinds?what this question means?
1 votes
1 votes
1 answer
2
Sammohan Ganguly asked May 25, 2018
1,346 views
Suppose a graph $G$ has $6$ nodes. Prove that either $G$ or $G'$ must contain a triangle.($G'$ is the complement of $G$.) Prove it using pigeonhole principle.
4 votes
4 votes
2 answers
3
sourav. asked Aug 24, 2016
2,140 views
Show that if seven integers are selected from the first10 positive integers, there must be at least two pairsof these integers with the sum 11.Attempt-:partition will be ...
2 votes
2 votes
2 answers
4
Anu asked Jul 14, 2015
1,923 views
Prove that at a party where there are at least two people, there are two people who know the same number of other people there.