School trip

The class has 19 students. What different ways students can be accommodated in the hostel, where available 3× 2-bed, 3× 3-bed and 1× 4-bed rooms. (Each room has its unique number)

Correct result:

N =  2.933186256E+12

Solution:

N=P2,2,2,3,3,3,4(19)=19!2!2!2!3!3!3!4!=2.933186256E+12



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