51: Ram Singh gives half of his cash reserves to his wife, one half of the remaining to his son and one third of the remaining to his daughter. If his daughter's share is Rs. 12,500, then the total cash reserves with Ram Singh were
(a) Rs. 21,500
(b) Rs. 75,000
(c) Rs. 1,00,000
(d) Rs. 1,50,000
52: The major ingredient of leather is:
(a) Collagen
(b) Polymer
(c) Carbohydrate
(d) Nucleic acid
53: The significance of the Bengal Regulation of 1793 lies in the fact that
(a) it provided for the establishment of the Supreme Court
(b) it restricted the application of English law to Englishmen only
(c) it accommodated the personal laws of Hindus and Muslims
(d) it provided for the appointment of the Indian Law Commission
54: Biologists have so far known, found and certified a large number of species in the plant and animal kingdom. In terms of members, the largest found and identified so far are from among the
(a) Fungi
(b) Plants
(c) Insects
(d) Bacteria
55: About 50% of the world population is concentrated between the latitudes of
(a) 5°N and 20°N
(b) 20°N and 40°N
(c) 40°N and 60°N
(d) 20°S and 40°S