Question

who was behind the prank ?how did rustom find out the truth​

Answer 1

Explanation:

Arjun was behind the prank. He had planned to scare the boys with a blood stained pillow held by a pair of white hands attached to no figure. Rustom found the truth when he got all the clues from Matron that there was a mark of red ink on pillow.

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Answer 2

$\huge \mathfrak \pink{Answer}$

Arjun was behind the prank. He had planned to scare the boys with a blood stained pillow held by a pair of white hands attached to no figure. Rustom found the truth when he got all the clues from Matron that there was a mark of red ink on pillow.