2686: The new Gross Domestic Product (GDP) series released by the Central Statistical Organisation (CSO) in February 1999 is with reference to base price of

(a) 1991-92
(b) 1992-93
(c) 1993-94
(d) 1994-95
2687: There are 10 identical coins and each one of them has H engraved on its one face and T engraved on its other face. These 10 coins are lying on a table and each one of them has H face as the upper face.

In one attempt, exactly four (neither more nor less) coins can be turned upside down. What is the minimum total number of attempts in which the T faces of all the 10 coins can be brought to be the upper faces ?
2688: Which one of the following countries is not a member of the Nordic Council?

(a) Norway
(b) Denmark
(c) Iceland
(d) United Kingdom
2689: The Ghadr (Ghadar) was a

(a) revolutionary association of Indians with headquarters at San Francisco
(b) nationalist organization operating from Singapore
(c) militant organization with headquarters at Berlin
(d) communist movement for India's freedom with headquarters at Tashkent
2690: Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity?

(a) The Kankrey

(b) The Tharparkar

(c) The Haryana breed

(d) The Rathi breed