1.

At a shopping mall, the air conditioner is set so that it reduces temperature at the rate of \[{{4}^{o}}C\]every hour. If at 10 a.m. the temperature inside the mail was \[{{35}^{o}}C\] what will be the temperature inside the mail at 6 p.m.?

A.  \[{{4}^{o}}C\]                               
B.  \[{{6}^{o}}C\]       
C.         \[{{3}^{o}}C\]                   
D.         \[{{7}^{o}}C\]
Answer» D.         \[{{7}^{o}}C\]


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