SSC CPO SI and ASI Model Paper 1

Question : 130 of 200

Marks: +1, -0

Find out the volume (m3 ) of a cubical room if the longest rod that can be placed in it is of 9 m.

Solution:

(1) The length of the longest rod =The length of diagonal (d) = 9 m
Volume of the room =

√3d^3 /9 =

{√3 ( 9)^3}/9= 81 √3 m^3

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