A room is 20 meters long, 15 meters wide 10 meters in height. The longest possible rod which can be placed in the room is Choose the correct answer
A) 25.93 meters	B) 26.93 meters	C) 24.93 meters	D) 24.5 meters	E) 24.75 meters
Square root of 20^2+15^2+10^2...(Diognal) which is square root of 725 that lies 26&lt;√725&lt;27. Hence the answer should be 26.93 meters
<result>B</result>
A room is 20 meters long, 15 meters wide 10 meters in height. The longest possible rod which can be placed in the room is