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A flag-post is placed on the top of a building of height 200 m. The

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A flag-post is placed on the top of a building of height 200 m. The  [#permalink]

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New post 25 Nov 2019, 03:00
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Difficulty:

  55% (hard)

Question Stats:

63% (03:07) correct 37% (03:05) wrong based on 19 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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Re: A flag-post is placed on the top of a building of height 200 m. The  [#permalink]

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New post 01 Dec 2019, 02:05
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A flag-post is placed on the top of a building of height 200 m. The  [#permalink]

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New post 01 Dec 2019, 05:41
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 168 times ]

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A flag-post is placed on the top of a building of height 200 m. The   [#permalink] 01 Dec 2019, 05:41
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A flag-post is placed on the top of a building of height 200 m. The

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