There are six persons P, Q, R, S, T and U. R is the brother of U. Q is the sister of T's wife. S is the mother of P and grandmother of U. There are two mothers, three sisters and a father in the group. Who is the father?
A man 3 m tall is 23 m away from a tower 26 m high. Determine the angle of elevation of the top of the tower from the eye of the observer.
The height of a conical tent is 9m. A vertical pole of 6m height is placed 4 m away from its centre such that it touches the surface. Find the slant hei...
A man whose height is 1.5 metres is standing 24√3 metres away from a light pole. The angle of elevation from his head to the top of the light pole...
The shadow of a pole on ground level is increased by 24 m when the angle of depression of the sun changes from 60° to 30°. What is the height of...
The angle of elevation of an aeroplane from a point on the ground is 60°. After 12 seconds flight the elevation changes to 30°, if the aeroplane is fl...
The top of two tower of height 48m and 60 m are connected by wire. If the wire makes an angle of 60 ˚ with the horizontal, then the length of the wire ...
Two buildings are collinear with the base of a tower and are at a distance 9m and 16m from the base of the tower. The angles of elevation from these two...
There is a 12 m tall hoarding pole on the top of a building. A person at some distance from the building, observes that the angle of elevation to the to...
A tree breaks due to a storm and the top touches the ground 30 meters away from its base, making a 30-degree angle with the ground. What was the height ...
If distance between two pillars of length 16 & 9 cm is x cm. If two angle of elevation of their respective top from a point on ground of other are c...
