question_answer

A room is 10 m long, 6 m wide and 3 m high. It has four windows, each measuring \[\mathbf{2 m\times ~1 m}\]and a door of dimensions\[\mathbf{3}\text{ }\mathbf{m\times 1}.\mathbf{5}\text{ }\mathbf{m}\]. If the interior walls are to be coloured and a painter charges Rs. 3.25 per sq m, then the cost of colouring is Rs._________

A)  251.375                                                           

B)  261.375     

C)  271.375   

D)  270.375

E)  None of these