796: Consider the following statements:

Coal sector was nationalized by the Government of India under Indira Gandhi.
Now, coal blocks are allocated on lottery basis.
Till recently, India imported coal to meet the shortages of domestic supply, but now India is self-sufficient in coal production.
Which of the statements given above is/are correct?

(a) 1 only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3
797: A hydrogen inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will

(a) Decrease in size

(b) Flatten into a disc-like shape

(c) Increase in size

(d) Maintain the same size and shape
798: A community of people called Manganiyars is well-known for their

(a) martial arts in North-East India
(b) musical tradition in North- West India
(c) classical vocal music in South India
(d) pietra dura tradition in Central India
799: Which one of the following is not a sub-index of the World Banks 'Ease of Doing Business Index'?

(a) Maintenance of law and order

(b) Paying taxes

(c) Registering property

(d) Dealing with construction permits
800: Mica is abundantly used in which of the following industries?

(a) Cement

(b) Electrical

(c) Plastic

(d) Fire resistance bricks