UPPSC Prelims 2008 (GS Paper I) Question Paper and Solutions (Page 5)
In the above figure, the circle represents "the powerful", the square represents "the rich", and the triangle represents "the leaders". How many are with all the three characteristics?
Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released in the temperature generated by the exhaust. What is that substance found in India?