A flag of height 4 metres is standing on the top of a buildi

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SSC CGL Tier-2 9-March-2018 Maths Shift-2
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MATH

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A flag of height 4 metres is standing on the top of a building. The angle of elevation of the top of the flag from a point X is 45° and the angle of elevation of the top of building from X is 30°. Point X is on the ground level. What is the height (in metres) of the building?

[SSC CGL Tier-2 9-March-2018 Maths Shift-2]

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