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JEE Main 2021 (Online) 18th March Evening Shift

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A pole stands vertically inside a triangular park ABC. Let the angle of elevation of the top of the pole from each corner of the park be $${\pi \over 3}$$. If the radius of the circumcircle of $$\Delta$$ABC is 2, then the height of the pole is equal to :

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JEE Main 2021 (Online) 25th February Morning Shift

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A man is observing, from the top of a tower, a boat speeding towards the lower from a certain point A, with uniform speed. At that point, angle of depression of the boat with the man's eye is 30$$^\circ$$ (Ignore man's height). After sailing for 20 seconds, towards the base of the tower (which is at the level of water), the boat has reached a point B, where the angle of depression is 45$$^\circ$$. Then the time taken (in seconds) by the boat from B to reach the base of the tower is :

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JEE Main 2021 (Online) 24th February Evening Shift

MCQ (Single Correct Answer)

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The angle of elevation of a jet plane from a point A on the ground is 60$$^\circ$$. After a flight of 20 seconds at the speed of 432 km/hour, the angle of elevation changes to 30$$^\circ$$. If the jet plane is flying at a constant height, then its height is :

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JEE Main 2021 (Online) 24th February Morning Shift

MCQ (Single Correct Answer)

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Out of Syllabus

Two vertical poles are 150 m apart and the height of one is three times that of the other. If
from the middle point of the line joining their feet, an observer finds the angles of elevation of
their tops to be complementary, then the height of the shorter pole (in meters) is :

Questions Asked from Height and Distance (MCQ (Single Correct Answer))

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