406: When ten persons shake hands with one another, in how many ways is it possible ?

(A) 45
(B) 20
(C) 25
(D) 40
407: The group of small pieces of rock - revolving round the sun between the orbits of Mars and Jupiter are called

(a) meteors
(b) comets
(c) meteorites
(d) asteroids
408: In the Indian context the term De-notified tribes refers to

(a) tribes which are aboriginals

(b) nomadic tribes

(c) tribes practising shifting cultivation

(d) tribes which were earlier classified as criminal tribes
409: Which one of the following Articles of the Indian Constitution provides that "It shall be the duty of the Union to protect every State against external aggression and internal disturbance"?

(a) Article 215
(b) Article 275
(c) Article 325
(d) Article 355
410: Match List I with List II and select the correct answer using the codes given below the Lists :

List I--------------------List II

(Volcanic Mountain)-----(Country)

I. Mt. Rainier------------(A) Italy

II. Etna-----------------(B) Mexico

III. Paricutin-------------(C) Philippines

IV. Taal------------------(D) USA

Codes:

(a) I-D, II-B, III-A, IV-C
(b) I-D, II-A, III-B, IV-C
(c) I-B, II-A, III-D, IV-C
(d) I-D, II-C, III-B, IV-A