Six different letters are to be put in six envelopes of different colors in a manner...
Six different letters are to be put in six envelopes of different colors in a manner that each envelope gets only one letter . in how many ways can this be done ?
Homework Answers
Answer)
We have 6 different letters and 6 different envelopes
If we put first letter in first envelope
Then we will have 5 for another envelope
And 4 for another and so on
So, total number of ways = 6*5*4*3*2*1 = 720
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