Question

How many words with or without meaning can be formed by using all the letters of the word 'REFUND', if repetition of letters is not allowed?​

Answer 1

Answer:

36...you have to square the number of letters...6×6=36

Step-by-step explanation:

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Answer 2

Answer:

720 words can be formed with or without meaning.

Step-by-step explanation:

We are given the word 'REFUND'.

Now you need to use all the letters of the word "REFUND" to form different words, with or without meaning. Repeated words are also not allowed.

Total Different alphabets in the word 'REFUND'.

D, E, F, N, R, U total 6.

The first alphabet can be selected in 6 ways.

The second alphabet can be selected in 5 ways since 1 alphabet is used before.

In the same way, the third alphabet can be selected in 4 ways.

Fourth alphabet in 3 ways.

Fifth alphabet in 2 ways.

Sixth alphabet in 1 way.

So,

Total number of words formed =

$6\times5\times4\times3\times2\times1 = 720$

So a total of 720 words can be formed with or without meaning.

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