NUMBER and SCARLET arrangements

Mathematics
Tutor: None Selected Time limit: 1 Day

How many different arrangements can be made with the letters in the word NUMBER?

AND

How many different arrangements can be made with the letters in the word SCARLET?

May 5th, 2015

There are 6 different letters in the word NUMBER. So, the first letter in the rearranged word may be chosen in 6 ways, the 2nd letter may be chosen in 5 ways, etc. Altogether there are 6*5*4*3*2*1 = 6! = 720 arrangements.

In a similar way, there are 7! = 5040 arrangements made with the letters from the word SCARLET that contains 7 different letters.

May 5th, 2015

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May 5th, 2015
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May 5th, 2015
May 27th, 2017
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