691: Four different candles, which can last for 5 hours, 4 hours. 3 hours and 2 hours of burning, respectively, are lit in a room at the same instant and allowed to burn till such time that the three candles in the room get extinguished. The cost of burning each one of these candles is 75 paise per hour. The cost involved is:
(a) Rs. 2.75
(b) Rs. 3.75
(c) Rs. 9.75
(d) Rs. 12.50
692: The battle of Dharmat was fought between
(a) Muhammad Gori and Jai Chand
(b) Babar and the Afghans
(c) Aurangzeb and Dara Shikoh
(d) Ahmad Shah Durrani and the Marathas
693: Through which one of the following groups of countries does the Equator pass ?
(a) Colombia, Kenya and Indonesia
(b) Venezuela, Ethiopia and Indonesia
(c) Brazil, Sudan and Malaysia
(d) Brazil, Zambia and Malaysia
694: Arrange the following in chronological order:
I. Home Rule League
II. Swadeshi Movement
III. Bardoli Movement
IV. Round Table Conference
(a) I, II, III, IV
(b) II, I, III, IV
(c) III, I, IV, II
(d) IV, II, I, III
695: Which of the following was the main reason of the downfall of Mauryan empire ?
(a) Weak successors of Ashoka who could not control the empire properly
(b) Religious policy of Ashoka
(c) Ashoka maintained friendly relations with his neighbours
(d) None of the above