3901: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the
(a) direction facing the polestar
(b) direction opposite to the polestar
(c) direction keeping the polestar to his left
(d) direction keeping the polestar to his right
3902: A body partially floats in water when:
(a) The volume of the displaced liquid is equal to the volume of the body
(b) The volume of the displaced liquid is greater than the volume of the body
(c) The weight of the displaced water is equal to the weight of the body
(d) The weight of the displaced water is greater than the weight of the body
3903: Alam Khan, one of those who invited Babar to invade India was
(a) An uncle of Ibrahim Lodhi and a pretender to the throne of Delhi
(b) A cousin of Ibrahim Lodhi who was ill-treated and expelled form the country
(c) The father of Dilawar Khan to whom cruel treatment was meted out by Ibrahim Lodi
(d) A high official in Punjab province who was very much discontented with Ibrahim Lodhi's treatment to his tribe.
3904: Sunda Strait separates
(a) Burma and Celebes
(b) Java and Sumatra
(c) Japan and Korea
(d) Sicily and Italy
3905: Contour bunding is a method of conservation used in
(a) desert margins, liable to strong wind action
(b) low flat plains, close to stream courses, liable to flooding
(c) scrublands, liable to spread of weed growth
(d) None of the above