The side of a square tile is\[10\,\,cm\]. How many tiles can be fixed on one side of a wall which is \[2.5\,\,m\] long and\[2\,\,m\]high?

• A. \[100\]                          
• B.                    \[400\]              
• C.                    \[5000\]            
• D.                   \[500\]