question_answer

    If  \['\to '\] stands for 'addition'; \['\leftarrow '\] stands for 'subtraction'; \['\uparrow '\]stands for 'division'; \['\downarrow '\] stands for  'multiplication 'and ' \['\nearrow '\]'stands for 'equal to', then which of the following options is incorrect?                                 (SOF NSO 2017)

A) \[2\downarrow 5\leftarrow 6\to 2\nearrow 6\]                                             

B)  \[3\text{ }\to \text{ }7\text{ }\leftarrow \text{ }3\text{ }\uparrow \text{ }3\text{ }\nearrow 9\]

C) \[3\downarrow 6\nearrow 2\to 3\leftarrow 6\downarrow 5\]  

D) \[7\nearrow 5\leftarrow 4\to 3\downarrow 4\uparrow 2\]