question_answer

The rectangular hall of length 'I', width 'b' and height 'h' contains sufficient amount of air for the number of people in the hall. If the volume of air contained in the hall is \[260\,\,c{{m}^{3}}\]. Also /+b + h = 22 and if each side of the hall is 3 cm or more in length such that each length is in whole number, then the largest possible area of a face of the hall is __________.

A)  \[65\,c{{m}^{2}}\]

B)  \[40\,\,c{{m}^{2}}\]

C)  \[40\,\,c{{m}^{2}}\]               

D)  \[50\,\,c{{m}^{2}}\]

E)  None of these