Question

the length ,breadth and height of a room are 4m, 3m and 7m respectively find the cost of white washing the walls of the room and the ceiling at the ràte of rs 6 per m

Answer 1

Length of wall =4m
Breadth of wall = 3m
Height of wall = 7m
White washing four wall= 2h(l+b)
= 2*7(4+3)
=14*7
= 98sq/m
With ceiling= lb
= 4*3
=12sq/m
Cost of 110sq/m= 6*110
=Rs660

Answer 2

hey there main answer is 660 rs