3746: The first marine sanctuary in India, having within its bounds coral reefs, mollusca, dolphins, tortoises and various kinds of sea birds, has been established in
(a) Sundarbans
(b) Chilka Lake
(c) Gulf of Kachch
(d) Lakshadweep
3747: Which one of the following pairs of folk dance forms and states is not correctly matched ?
(a) Korku : Maharashtra
(b) Jhummar : Haryana
(c) Thali : Himachal Pradesh
(d) Mukna : Manipur
3748: In a class there are 18 boys who are over 160 cm tall. If these boys constitute three-fourths of the boys and the total number of boys is two-third of the number of students in the class, then what is the number of girls in the class?
(a) 6
(b) 12
(c) 18
(d) 24
3749: Two trains leave New Delhi at the same time. One travels north at 60 kmph and the other travels south at 40 kmph. After how many hours will the trains be 150 km apart ?
(A) 4/3
(B) 3/2
(C) 3/4
(D) 15/2
3750: Where is Bundala Bioshpere Reserve which has been recently added to the UNESCO's Man and Biosphere (MAB) network, located?
(a) Russia
(b) Bangladesh
(c) India
(d) Sri Lanka