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బైనరీ 10101 ని దాని దశాంశ విలువగా మార్చండి.

A21
B20
C19
D22
Answer & Solution
Correct answer: A. 21
10101 విలువ 16 + 4 + 1 కి సమానం, ఇది 21 ని ఇస్తుంది.
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