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বাইনাৰী 10101-ক ইয়াৰ দশমিক মানলৈ ৰূপান্তৰ কৰক।

A21
B20
C19
D22
Answer & Solution
Correct answer: A. 21
10101 হৈছে 16 + 4 + 1-ৰ সমান, যাৰ ফলাফল 21।
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