You attend a multiple choice question exam, and you have n (say 10) questions whose answers you don't know at all.(adsbygoogle = window.adsbygoogle || []).push({});

There are 4 choices in each question.

A correct answer yeilds 1 marks.

An incorrect answer has penalty of -0.25 marks.

Is it wise to attempt all the questions in random? It seems wise to me.

What if n = 3 (or 1).

There are thousands of student participating (no-one knows the answers . You have to stand above maximum of them.

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# Multiple Choice Question negative marking

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