A cylindrical vessel of height 7 cm and radius 5 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 8 cm what will be the height of this cone?
The height of a light house is 20 mts above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30 deg. What is the distance of the ship from the foot of the light house?
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?