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Permutations — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSPermutations2 Marks
Question
In how many ways can an examinee answer a set of ten true/ false type questions?
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Answer

The number of ways to ex am i nee answer a true/ false type question is 2.
$\therefore$ The number of ways for an ex am i nee to answer a set of ten true/ false type questions = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
= 1024
Hence, the required number of ways is 1024.

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