SOLUTION: Q1:-In how many different ways is it possible to arrange the letter COMBINATIONS? Q2:-In how many different ways can you choose a committiee of 5 members from a group of 20 people

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Question 945086: Q1:-In how many different ways is it possible to arrange the letter COMBINATIONS?
Q2:-In how many different ways can you choose a committiee of 5 members from a group of 20 people?
Found 2 solutions by Edwin McCravy, dileepkumarabhijith:
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
Q1:-In how many different ways is it possible to arrange the letter COMBINATIONS?
COMBINATIONS has 12 letters with 2 indistinguishable O's,
2 indistinguishable I's, and 2 indistinguishable N's.

Answer:  12%21%2F%282%212%212%21%29

Q2:-In how many different ways can you choose a committiee of 5 members from a group of 20 people?
Answer:  20 people choose 5 = 20C5

Edwin

Answer by dileepkumarabhijith(12) About Me  (Show Source):
You can put this solution on YOUR website!
Q.1. TOTAL NO OF LETTERS =12
O OCCURS 2 TIMES,AND I ALSO OCCURS TWO TIMES.
THEREFORE,TOTAL NO OF ARRANGEMENTS=12%21%2F%282%21%2A2%21%29
Q.2.TOTAL NO OF PEOPLE=20
NO OF PEOPLE TO BE SELECTED=5
THEREFORE,NUMBER OF WAYS=20C5