In how many ways can 10 true-false questions be replied - Vidyadip

MCQ

In how many ways can $10$ true-false questions be replied

A
$20$
B
$100$
C
$512$
✓
$1024$

✓

Answer

Correct option: D.

$1024$

d
(d)Required number of ways are ${2^{10}} = 1024$, because every question may be answered in $2$ ways.

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