In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 5 at a time?

In how many ways can the letters in the word BUTTERFLY be arranged if the letters are taken 5 at a time

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25-11-2016
Mathematics

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In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 5 at a time?

In how many ways can the letters in the word BUTTERFLY be arranged if the letters are taken 5 at a time

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MissPhiladelphia MissPhiladelphia · Answer 1 · 2016-11-26T06:06:58-05:00

This is a permutation problem in which you are to arrange the objects and the order doesn't matter. You can easily calculate it using your scientific calculator. Just use the formula nPr, where n is the total number of objects taken r at a time.

PAYMENT = 7 letters => 7P5 = 2520
There are 2,520 ways

For butterfly, its quite tricky because there are two letters. Oder does matter here, since no matter which t comes first, that is still the same. So, this is what you do:

BUTTERFLY = 9 letters
9P5 ÷ 2! => since there are two same letters
15120 ÷ 2 = 7560
There are 7560 ways.

mehranikita mehranikita · Answer 2 · 2016-11-26T06:08:05-05:00

mehranikita mehranikita

26-11-2016

PAYMENT be arranged letters are taken 5 times then total 35 letters
BUTTERFLY be arranged letters are taken 5 times then total 45 letters

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In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 5 at a time?In how many ways can the letters in the word BUTTERFLY be arranged if the letters are taken 5 at a time

Verified Answer :

Related Questions

In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 5 at a time?

In how many ways can the letters in the word BUTTERFLY be arranged if the letters are taken 5 at a time