Find out how many words can be formed from daughter, Computer Engineering

Assignment Help:

Find out how many words can be formed out of the letters of the word DAUGHTER such that

(i)  The vowels are all time together.

(ii)  The vowels occupy even places. 

 Ans:  In the phrase DAUGHTER, there are three vowels: A, E and U. Number of letters in the word is 8. 

(i)  While vowels are all time together, the number of ways these letters can be arranged (5 +1)! * 3!. The 5 consonants and one group of vowels. Within each such type of arrangement, the three vowels can be arranged in 3! Ways. The needed answer is 4320.

(ii) While vowels occupy even position, after that the three vowels can be placed at 4 even positions in 3*2*1 ways. The three even positions can be chosen in 4C3 ways. And now the 5 consonants can be arranged in 5! Ways. Hence the required number is = 3! * 4C3 *5! = 2880.


Related Discussions:- Find out how many words can be formed from daughter

Define virtual memory, Normal 0 false false false EN-IN...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

What is swimlane, What is swimlane? In business model, it is often help...

What is swimlane? In business model, it is often helpful to know which human organization is responsible for activity. Show the partition of activities into columns and lines.

First order predicate logic - artificial intelligence, First Order Predicat...

First Order Predicate Logic : This is a more expressive logic because it is mostly builds on propositional logic by allowing us to needs as constants, variables, predicates,

State about the multiple inheritance, State about the multiple inheritance ...

State about the multiple inheritance multiple inheritance is shown in Figure. In this, one class is inherited from more than one class.

What are the benefits of electronic data interchange process, What are the ...

What are the benefits of electronic data interchange process? Advantages of Electronic Data Interchange: a. EDI replaces paper transactions along with electronic transac

What decision has the highest expected value, The Prisoner's Dilemma is a w...

The Prisoner's Dilemma is a well-known problem in game theory. Two thieves are arrested and held in custody separately. The police offer each the same deal. Inform on your partn

Explain the principles of design, In structure chart whole application is d...

In structure chart whole application is divided into modules (set of program instructions) and modules are designed according to some principles of design. These are: Modularit

What is artificial intelligence language processing, Artificial intelligenc...

Artificial intelligence language processing (AILP) is a field of computer science and linguistics concerned with the interactions among computers and human (natural) languages; it

Describe the concept of aggregation, Aggregation Aggregation is a spec...

Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro

Explain essential properties of real time operating system, Describe the es...

Describe the essential properties of the Real Time operating systems. Real time operating system has following essential properties: Time constraint result Priority

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd