Published by:
CGP EDU Academic Team
Published on: August 12, 2026
A balloon is observed simultaneously from three points A, B and C on a straight road directly under it. The angular elevation at B is twice and at C is thrice that of A . If the distance between A and B is 200 metres and the distance between B and C is 100 metres , then the height of balloon is given by
A
50 metres
B
metres
C
metres
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
D
.....(i)
......(ii)
......(iii)
From (i) and (ii), 
From (ii) and (iii), 
and 
or 
or 
Hence, 
, {from (ii)} .
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