3531: The common ore of aluminium is:
(a) Bauxite
(b) Chromite
(c) Cryolite
(d) Monazite
3532: The Ministry of Industries takes the administrative advice regarding the improvement of the performance of public enterprises from:
(a) Bureau of Public Enterprises
(b) MRTP Commission
(c) Estimates Committee
(d) Planning Commission
3533: If the price of a television set is increased by 25%. then by what percentage should the new price be reduced to bring the price back to the original level ?
(a) 15%
(b) 25%
(c) 20%
(d) 30%
3534: The first among the following to establish trade links with India were:
(a) Dutch
(b) French
(c) Portuguese
(d) English
3535: The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
(a) 50% of minor diameter of the ellipse
(b) 50% of major diameter of the ellipse
(c) minor diameter of the ellipse
(d) major diameter of the ellipse