Recent questions in Discrete Mathematics

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2251
what is number of permutation of NADEEAKYEdit : I forgot to add condition : all vowel should not be togetheris it 9360 or 10050
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2252
I think they asked something different and expected something different." not all vowels together "and "no vowels together" has totally different meaning and they calcula...
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2253
consider a collection of 20 balls,where each ball has unique number printed on it from 1-20.if we take out 8 balls from this collection at random,then the expected value ...
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2254
number of ways of arranging the letters GGGGGAAATTTECCS such that no two T's are together?
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2 answers
2256
​​​​​Match List-I with List-II and choose the correct answer from the code given below :$\begin{array}{|c|c|c|c|} \hline & \textbf{List I} & & \textbf{List II} ...
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1 answer
2257
The number of substrings that can be formed from string given by$a \: d \: e \: f \: b \: g \: h \: n \: m \: p$is$10$$45$$55$$56$
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2258
If A = {1,2,3 …. n}then how many multisets of size 4 are possible ,such that atleast of the elements appears twice.
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2260
In an undirected graph a self loop counts to how many edges?I read somewhere that in case of undirected graph we consider self loop to have 2 edges?
1 votes
2 answers
2262
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2264
number of ways possible to form injective function from set A to setB where |A|=3 and |B|=5 where the pth element of set A cannot match with pth element of set B?
1 votes
0 answers
2266
Every subset of Distributive lattice is distributive lattice.Every subset of Distributive lattice is lattice. A>>>False and B>» True ???
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2267
Statement : "Every Euler Graph is a simple graph" Please comment whether it is true always or need not to be. ( My concern is whether multi edge or self loop is allowed i...
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2268
No of generators in a cyclic group when O(G)=12 and O(G)=13?
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2269
How to calculate closed region and open region from given dara.