1.

Riaz takes 20 minutes to reach his school with a speed of \[3\,m\,{{s}^{-1}}.\] How far is his school from home?

A.  2 km                                    
B.  3.2 km                 
C.  3.6 km                 
D.         4.1 km 
Answer» D.         4.1 km 


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