A) 6
B) 8
C) 7
D) 3
E) None of these
Correct Answer: A
Solution :
Explanation Option [a] is correct. The difference between two opposite numbers is 4 i.e., \[\mathbf{23}-\mathbf{19}=\mathbf{4}\] and \[\mathbf{16}-\mathbf{12}=\mathbf{4}\] \[\mathbf{14}-\mathbf{10}=\mathbf{4}\] and \[\mathbf{12}-\mathbf{8}=\mathbf{4}\] Similarly, \[\mathbf{9}-\mathbf{5}=\mathbf{4}\] and \[\mathbf{6}-\mathbf{2}=\mathbf{4}\]
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