4081: One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4g of hydrogen gas is burnt under the same conditions ?

(a) 145 kJ

(b) 290 kJ

(c) 580 kJ

(d) 1160 kJ
4082: Consider the following statements about the Charter Act of 1813:

1. It ended the trade monopoly of the East India Company in India except for trade in tea and trade with China.
2. It asserted the sovereignty of the British Crown over the Indian territories held by the Company.
3. The revenues of India were now controlled by the British Parliament.

Which of the statements given above are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3
4083: Consider the following countries:

1. Denmark
2. Japan
3. Russian Federation
4. United Kingdom
5. United States of America

Which of the above are the members of the `Arctic Council?

(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 4 and 5
(d) 1, 3 and 5
4084: Three students are picked at random from a school having a total of 1000 students. The probability that these three students will have identical data and month of their birth is:

(a) 3/1000
(b) 3/365
(c) 1/(365)2
(d) 1/(365)2
4085: Consider the following figures :


Which one of the following conclusion can be drawn from these figures ?

(a) The areas of the three figures are all different
(b) The areas of all the three figures are equal
(c) The perimeters of the three figures are equal
(d) The perimeters of figures I and II are equal