1.

    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. \[7\nearrow 5\leftarrow 4\to 3\downarrow 4\uparrow 2\]
Answer» D. \[7\nearrow 5\leftarrow 4\to 3\downarrow 4\uparrow 2\]


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