Question:A room is 6 m long,5 m broad and 4 m high.It has one door 2.5 high and 1.2 m broad and has one window I m broad and I m high. Find the area in sq. metres of the paper required to cover the four walls of the room. 

A 84 
B 100 
C 120 
D None 

+ Answer
A 

+ Explanation
Area to be papered

`= 2 (6 + 5) xx 4 - [(2.5 xx 1.2) + (1 xx 1)] sq.m.`

`= (88 - 4) = 84 m^2`

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Irin Moni

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