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How many different 5-letter words (with or without meaning) can be constructed using all the letters of the word ‘DELHI’ so that each word has to start with D and end with I?
  • a)
    24
  • b)
    18
  • c)
    12
  • d)
    6
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
How many different 5-letter words (with or without meaning) can be con...
"TRIANGLE"?

First, we count the number of letters in the word "TRIANGLE": 8.

Since we want to construct 5-letter words, we need to choose 5 letters out of the 8.

This can be done in 8 choose 5 ways:

8C5 = 8! / (5! * 3!) = 56

Therefore, there are 56 different 5-letter words that can be constructed using all the letters of the word "TRIANGLE".
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Community Answer
How many different 5-letter words (with or without meaning) can be con...
6 is the answer
as it should start with D and ends with i the remaining 3 letters can be formed in 3! factorial ways so 3! = 6
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How many different 5-letter words (with or without meaning) can be constructed using all the letters of the word ‘DELHI’ so that each word has to start with D and end with I?a)24b)18c)12d)6Correct answer is option 'D'. Can you explain this answer?
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