v34

A

19

B

31

C

23

D

22

Text Solution

Verified by Experts

The correct Answer is:
C
`(10111)_(2)=1xx2^(4)+0xx2^(3)+1xx2^(2)+1xx2^(1)+1xx2^(0)`
`=16+4+2+1=23`
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  20. v34

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