Q. 523.8( 5 Votes )
A conical tent is A. 
B. 
C. 
D. 
Answer :
As each person needs 4 m 2 spaces on ground, so 11 persons will need 44 m 2 space on the ground.
Therefore, Area of ground = 44 m 2
⇒ r2 = 14
Each person needs of air
Therefore volume of tent = 220 m3
Volume of a cone
⇒ h = 15cm
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