1.

A Satish takes 24 minutes to reach his school, travelling at\[15\text{ }km/h\]. At what speed must he go to reach his school in 18 minutes?

A.  \[20\text{ }km/h\]                        
B.  \[30\text{ }km/h\]        
C.         \[24\text{ }km/h\]        
D.         \[18\text{ }km/h\]
Answer» B.  \[30\text{ }km/h\]        


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