4356: The Ryotwari Settlement was introduced by the British in the
(a) Bengal Presidency
(b) Madras Presidency
(c) Bombay Presidency
(d) Madras and Bombay Presidencies
4357: Three flags, each of different colour, are available for a military exercise. Using these flags, different codes can be generated by waving
(i) Single flag of different colours, or
(ii) Any two flags in a different sequence of colours, or
(iii) Three flags in a different sequence of colour
The maximum number of codes that can be generated is
(a) 6
(b) 9
(c) 15
(d) 18
4358: Which one of the following is cultivated by transplanting seedlings ?
(a) Maize
(b) Sorghum
(c) Onion
(d) Soyabean
4359: What is Agent Orange?
(a) An ace spying group trained by the Police in London
(b) A weed-killing chemical used by the US Military in the Vietnam War
(c) A technique used in the advanced railway safety procedure
(d) A special chemical used in making alloy steel
4360: Ice cubes are floating in a glass of water. When the ice cubes melt, the water level in the glass:
(a) Will first increase and then start decreasing
(b) Will first decrease and then start increasing
(c) Will remain unchanged
(d) Will increase