81: The monthly income of Komal and Asha are in the ratio of 4 : 3. Their monthly expenses are in the ratio of 3 : 2. However, both save Rs. 600 per month. What is their total monthly income ?
(a) Rs. 8,400
(b) Rs. 5,600
(c) Rs. 4,200
(d) Rs. 2,800
82: The Congress Ministries resigned in November 1939 because
(a) The Provincial Autonomy proved to be a farce
(b) The Governors interfered too much in the day-to-day administration of the provinces
(c) India was dragged into the Second World War without the consent of her people
(d) The British followed the policy of divide and rule
83: Which one of the following statements is not correct?
(a) Rourkela Steel Plant, the first integrated steel plant in the Public sector of India was set up with the Soviet Union collaboration.
(b) Salem Steel Plant is a premier producer of stainless steel in India.
(c) Maharashtra Eletrosmelt Ltd is a subsidiary of the Steel Authority of India Ltd.
(d) Visakhapatnam Steel Plant is a unit of the Rashtriya Ispat Nigam Ltd.
84: Which among the following States possesses oil resources based on geographical location?
(a) Kerala
(b) Nagaland
(c) Assam
(d) Meghalaya
85: What is a continental shelf?
(a) It is a part of the ocean which is really an extension of the land mass, but submerged.
(b) It is that part where the ocean commences.
(c) It is a land mass which is surrounded by water on all sides.
(d) It is a part of the continent that is submerged in relatively shallow sea.