3566: P is 300 km eastward of O and Q is 400 km north of O. R is exactly in the middle of Q and P. The distance between Q and R is
(a) 250 km
(b) 300 km
(c) 350 km
(d) 250 km multiply root 2
3567: The world's fastest computer has been able to perform (as of Dec. 1996)
(a) 10'6 operations per second
(b) 10'9 operations per second
(c) 10'12 operations per second
(d) 10'15 operations per second
3568: Nobel Prize in Economics for the year 1997 was awarded for contribution in the area of
(a) International Economics
(b) Financial Economics
(c) Public Economics
(d) Development Economics
3569: The Indian National Congress agreed in 1947 to the partition of the country mainly because
(a) the principle of two-Nation theory was then acceptable to them
(b) it was imposed by the British Government and the Congress was helpless in this regard
(c) they wanted to avoid large-scale communal riots
(d) India would have otherwise lost the opportunity to attain freedom
3570: Consider the following statements :
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4