511: A table has three drawers. It is known that one of the drawers contains two silver coins, another contains two gold coins and the third one contains a silver coin and a gold coin. One of the drawers is opened at random and a coin is drawn. It is found to be a silver coin. What is the probability that the other coin in the drawer is a gold coin ?
(a) 0.25
(b) 1.00
(c) 0.50
(d) 0.60
512: The given figure shows a portion of Southern India. The proposed site (Koodankulam) for the construction of two 1000 MW nuclear power plants has been labelled in the map as
(a) A
(b) B
(c) C
(d) D
513: Consider the following statements:
1. China has the observer's status at the South Asian Association for Regional Cooperation.
2. India has the observer's status at the Shanghai Cooperation Organisation.
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
514: The varieties of corn can be improved by which of the following methods?
(a) Dihybrid cross
(b) Back cross
(c) Double cross
(d) Natural selection
515: The "dharma" and "rita" depict a central idea of ancient Vedic civilization of India. In this context consider the following statements :
1. Dharma was a conception of obligations and of the discharge of one's duties to oneself and to others.
2. Rita was the fundamental moral law governing the functioning of the universe and all it contained.
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