Name the document which solely belongs to you but your signature on it makes the document invalid

Name The Document Which Solely Belongs To You

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As per the sender of this riddle on WhatsApp this riddle originates from IIM. IIM question:- Name the document which solely belongs to you but your signature on it makes the document invalid! So were you able to solve the riddle? Leave your answers in the comment section below. You can check if your answer … Read more