There are $12$ true-false questions in an examination. How many sequence of answer are possible?

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Solution

(Image)
Each question will have $2$ choices either true or false
$∴$ No. of sequence of answers
$= 2 \times 2 \times 2 \times . . . .2$ ( $12$ times)
$= 2^{12}$

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There are 12 true-false questions in an examination. How many sequence of answer are possible?

(Image)Each question will have 2 choices either true or false∴No. of sequence of answers=2×2×2×....2 (12 times)=212

There are $12$ true-false questions in an examination. How many sequence of answer are possible?

(Image)
Each question will have $2$ choices either true or false
$∴$ No. of sequence of answers
$= 2 \times 2 \times 2 \times . . . .2$ ( $12$ times)
$= 2^{12}$