1.

What is \[20%\] of\[3\,\,kg\,\,400\,\,g\]?

A. \[680\,\,g\]  
B. \[1368\,\,g\]       
C.        \[3\,\,kg\,\,420\,\,g\]        
D.        \[2\,\,kg\,\,720\,\,g\]  
Answer» B. \[1368\,\,g\]       


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