Mr Behera wants to build a house for his wife. In his dream house there are 5 rooms each having equal area. The length of each room is 4 m, breadth is 5 m and the height is 2m. For every single unit of area, he requires 17 bricks, how many bricks are required to make the floor of a particular room?
option
(a) 340
(b) 420
(c) 280
(d) 400

• 4*5*17=340
• 11 years agoHelpfull: Yes(4) No(0)
• area 5m*4m=20m.m
  1mm have required 17
  then
  20mm required 17*20=340
• 11 years agoHelpfull: Yes(3) No(0)
• Area = 5*4=20 squaremeter
  For 1 unit area = 17 bricks are required
  For 20 squaremeter = ??(x)
  x=17*20=340
  
• 11 years agoHelpfull: Yes(2) No(0)
• 20*17=340 becoz 20 is area of a room and 17 is the brick required per unit area
• 11 years agoHelpfull: Yes(1) No(0)