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A vertical pole with height more than 10...

A vertical pole with height more than 100 consists of two parts, the lower being one - third of the whole. At a point on a horizontal plane through the foot and 40m from it, the upper part subtends an angle whose tangent is `(1)/(2)` What is the height of the pole?

A

110m

B

120 m

C

200m

D

150m

Text Solution

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The correct Answer is:
C
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