Question

How many words, with or without meaning can be made from the letters of the word MONDAY, assuming that no letter is repeated, if 4 letters are used at a time.

Answer 1

The words that can be made by using Monday correctly, are limited the words without any meaning are unlimited.

Answer 2

Answer:

360 ways

Step-by-step explanation:

To form words from monday wit or without meaning are ⁶P₄

since Total number of letters in MONDAY :6

Total words to be used to form new words:4

thus possible ways are to be calculated by permutation by ⁶P₄

$=\frac{6!}{(6-4)!} \\\\=\frac{6!}{2!} \\\\=\frac{6\times5\times4\times3\times2\times1}{2\times1} \\\\=6\times5\times4\times3\\\\=360\:ways$