The schedule of the paintings shown in the four weeks is completely determined if which one of the following is true?

shaase on September 2, 2020

explanation for correct answer choice

Can someone please explain why E is the correct answer choice?

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Emil-Kunkin on April 27 at 02:13PM

If S is twice that means H is twice two. Since our Hs can't be back to back, that means one must be before three, so I must go in the first week. This also means that our two SH blocks must go in weeks two and four. So we have

I H _ H
_ S _ S

Since all of them must appear, we know that g must go in three, which forces p into 1, and r goes in the last remaining spot, three.