question_answer

A barn with a flat floor is rectangular in shape of breath 10 m, length 15 m and height 5 m. it is to be painted inside on the walls and on the ceiling but not on floor. Find the total area to be painted.

A)  \[1200\,\,{{m}^{2}}\]                         

B)  \[600\,\,{{m}^{2}}\]

C)  \[400\,\,{{m}^{2}}\]   

D)  \[300\,\,{{m}^{2}}\]

E)  None of these