Correct Answer : Option (A) : 010011
Explanation : If you want to subtract any binary number, first, you need to know the binary subtraction rules.
1 - 0 = 1
0 - 1 = 1 (With borrow 1)
0 - 0 = 0
1 - 1 = 0
therefore, the subtraction of 101001 - 010110 = 010011
