Math, asked by kharotya, 1 year ago

Question 5(a). How many words can be formed using letter of DEPARTMENT using each
letter at most once?
I) If each letter must be used,
ii) If some or all the letters may be omitted.


Anonymous: ___k off

Answers

Answered by juhi2627
5

total no. of words when each letter is used is 907200

Attachments:

kharotya: thanks you so much.
juhi2627: wlcm
kharotya: hi plzz help me for 2nd solution also
juhi2627: when all the letters are ommited then no word will be form
kharotya: here it is mentioned some or all... plz chk
Answered by halamadrid
0

Answer:

907200 words

Given:

DEPARTMENT

To find:

How many words can be formed using letter of DEPARTMENT using each letter at most once?

I) If each letter must be used,

ii) If some or all the letters may be omitted.

Solution:

DEPARTMENT

No.of repeating words = 2 ( T, E)

No.of T = 2

No.of E = 2

Total no.of words = 10

= 10!/2! × 2!

= 10×9×8×7×6×5×4×3×2×1 / 2 * 2

= 907200

Conclusion:

The total number of words which can be formed by using the letters of DEPARTMENT is 907200.

#SPJ2

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