4446: A man takes 6 km distance to go round a rectangular area. If the area of the rectangle is 2 km, find the difference between length and breadth
(a) 1 km
(b) 0.5 km
(c) 2 km
(d) 0.75 km
4447: The human immuno deficiency virus (HIV) is a living entity because it can
(a) Excrete in human serum
(b) Disturb host cell respiration
(c) Undergo auto-reproduction
(d) Move from one cell to another
4448: Which one of the following is the correct sequence in the decreasing order of contribution of different sectors to the Gross Domestic Product of India.?
(a) Industry-Agriculture-Services
(b) Service-Agriculture-Industry
(c) Industry- Services-Agriculture
(d) Service- Industry- Agriculture
4449: India's external debt increased from US $98,158 million as at the end of March 2000 to US $100,225 million as at the end of March 2001 due to increase in
(a) multilateral and bilateral debt
(b) rupee debt
(c) commercial borrowings and NRI deposits
(d) borrowing from International Monetary Fund
4450: To elect the President of India which one of the following election procedures is used?
(a) System of proportional representation by means of a single transferable vote
(b) Proportional representation through list system
(c) Collective voting system
(d) Secondary voting system