1606: In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group none can speak any other language. If 2 persons in the group can speak two languages and one person can speak all the three languages, then how many persons are there in the group ?
(a) 21
(b) 22
(c) 23
(d) 24
1610: The following maps shows four of the sixteen mahajanapadas that existed in ancient India :
The places marked A, B, C and D respectively are
(a) Matsya, Cedi, Kosala, Anga
(b) Surasena, Avanti, Vatsa, Magadha
(c) Matsya, Avanti, Vatsa, Anga
(d) Surasena, Cedi, Kosala, Magadha