The perimeter of a floor of a room is 17 m What is the area of four walls of the room if its height ...........

Quantitative Aptitude ( CCS) Mensuration 3D

The perimeter of a floor of a room is 17 m. What is the area of four walls of the room, if its height is 4 m?

76 sq. m

48 sq. m

54 sq. m

68 sq. m

Perimeter = 2(l + b) × h = 17 m and height = 4m
Area of 4 walls = 2(l + b) × h = (17 × 4) sq. m = 68 sq. m

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