1.

Which of the following numbers replaces the question mark? \[2\,(3-8)\,3\] \[4(15-24)\,5\] \[6\,(35-48)\,7\] \[8\,(\,\,\,?\,\,\,)\,9\]

A.  \[63-80\]        
B.    \[32-75\]        
C.    \[54-72\]        
D.    \[84-95\]
Answer» B.    \[32-75\]        


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