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CaptainLevi
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A flag-post is placed on the top of a building of height 200 m. The
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25 Nov 2019, 02:00
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75% (hard)

Question Stats:

59% (03:18) correct 41% (02:54) wrong based on 61 sessions

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A flag-post is placed on the top of a building of height 200 m. The angles of elevation of the top of the flag-post observed from the foot and the top of another nearby building of height 150 m, are 60° and 30° respectively. Find the height of the flag-post.

(A) 25 m
(B) 37.5 m
(C) 75 m
(D) 100 m
(E) 115 m
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lacktutor
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A flag-post is placed on the top of a building of height 200 m. The
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01 Dec 2019, 04:41
It is a kind of tricky question: Angles of Elevation & Depression.
—> need to use the Trigonometry

Please Find the Attached file

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File comment: Angles of Elevation
5F0EA5A0-96DE-4AC5-B720-01B0DDB0C42B.jpeg
5F0EA5A0-96DE-4AC5-B720-01B0DDB0C42B.jpeg [ 2.37 MiB | Viewed 3234 times ]

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allkagupta
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A flag-post is placed on the top of a building of height 200 m. The
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04 Jan 2020, 23:52
CaptainLevi
A flag-post is placed on the top of a building of height 200 m. The angles of elevation of the top of the flag-post observed from the foot and the top of another nearby building of height 150 m, are 60° and 30° respectively. Find the height of the flag-post.

(A) 25 m
(B) 37.5 m
(C) 75 m
(D) 100 m
(E) 115 m
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Since Trignometry is not a part of GMAT syllabus, isn't this question out of the GMAT ambit?
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A flag-post is placed on the top of a building of height 200 m. The
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09 Oct 2022, 03:05
Automated notice from GMAT Club BumpBot:

A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.

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