4066: Ice skating can be used to demonstrate that when ice is under pressure, its:
(a) Melting point is lowered
(b) Melting point is raised
(c) Melting point remains unchanged
(d) Coefficient of friction with metal is reduced
4067: India enacted The Geographical Indications of Goods (Registration and Protection) Act, 1999 in order to comply with the obligations to
(a) ILO
(b) IMF
(c) UNCTAD
(d) WTO
4068: Consider the following statements :
1. In November, 2006, DRDO successfully conducted the interception test using Prithvi-II missile.
2. Prithvi-II is a surface to surface missile and can be deployed to guard the metros against air attacks.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4069: The Second Round Table Conference was held in
(a) 1930
(b) 1931
(c) 1932
(d) 1935
4070: A trader loses 20 per cent by selling an article for Rs. 480. If he is to gain 20 per cent, he should sell it for rupees ______
(a) 520
(b) 600
(c) 720
(d) 800