Probability question (1 Viewer)

[JoshuaPutra]

A hostel has four vacant rooms. Each room can accommodate a maximum of four people. In how many different ways can six people be accommodated in the four rooms?

The answer is 4020.

 

[Carrotsticks]

Screenshot from my solutions to last year's HSC.

 

[Elise8842]

Screenshot from my solutions to last year's HSC.

Hi Carrotsticks, do you have 2013 3u hsc solutions? The Dropbox link you posted earlier has expired


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[Carrotsticks]

https://www.dropbox.com/s/tkwu7kj4rdrw2vp/HSC 2013 Extension 1 Solutions.pdf?dl=0