SOLUTION: At bus stop, there are 11 people in queue, 7adults and 4children. calculate number of arrangements of these 11 people such that CHILDREN ARE ALL STOOD NEXT TO EACH OTHER?
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-> SOLUTION: At bus stop, there are 11 people in queue, 7adults and 4children. calculate number of arrangements of these 11 people such that CHILDREN ARE ALL STOOD NEXT TO EACH OTHER?
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Question 945814: At bus stop, there are 11 people in queue, 7adults and 4children. calculate number of arrangements of these 11 people such that CHILDREN ARE ALL STOOD NEXT TO EACH OTHER? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Children are all next to each other
Children's arrangements:
Adults arrangements:
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There is one extra arrangement, and
that is swapping the 2 groups in line:
so,
possible arrangements
