2636: Diamond and Emerald contain:
(a) Carbon and silicon
(b) Carbon and zinc
(c) Silicon, aluminium and beryllium
(d) Carbon and calcium
2637: For which one of the following countries is Spanish not an official language?
(a) Colombia
(b) Cuba
(c) Republic of Congo
(d) Chile
2638: 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
2639: Aspirin is a:
(a) Pain reliever
(b) Sedative
(c) Cortisone
(d) Soporific
2640: Which one of the following submitted in 1875 a petition to the House of Commons demanding India's direct representation in the British Parliament?
(a) The Deccan Association
(b) The Indian Association
(c) The Madras Mahajan Sabha
(d) The Poona Sarvajanik Sabha