2846: Which of the following statements is correct?
(a) The village was the basic unit of Chola administration.
(b) The Chola kingdom was on the decline in the 9th century.
(c) Amoghavarsha is the best remembered of the Chola kings.
(d) None of the above
2847: A man is standing on the 8 m long shadow of a 6 m long pole. If the length of his shadow is 2.4 m, what is the height of the man ?
(a) 1.4m
(b) 1.6m
(c) 1.8m
(d) 2.0m
2848: The data collection for national income estimation in India is done by
(a) National Sample Survey Organisation
(b) Finance Ministry of the Govt. of India
(c) Central Statistical Institute/Organisation
(d) Indian Statistical Institute
2849: Three circles are externally tangent to each other. Their radii are 2 inches, 3 inches and 4 inches. The centres of these circles are joined to form a triangle. The length of the largest side of the triangle is
(a) 5 inches
(b) 6 inches
(c) 7 inches
(d) 8 inches
2850: Lichens is an association of two types of organisms. They are:
(a) Algae and fungi
(b) Algae and virus
(c) Fungi and virus
(d) Virus and bacteria