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A multiple choice test consists of four questions, each of which has three choices. Each question has exactly one correct answer.

A multiple choice test consists of four questions, each of which has three choices. Each question has exactly one correct answer. 

How many different ways are there to fill out the anser sheet (Assume that a choice is made for each question.) 

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  • sorry its 3 choices so.. no. of ways = 3*3*3*3 =81 ways
    • jhvivekrai
    • Apr 04, 2018 at 4:43pm

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  • Typo error : wrongly used 3*4 ; Correct is 3*3*... four times =3^4 =81 ways ;
    • Stat_Tutor
    • Apr 04, 2018 at 4:18pm

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