4496: Which one of the following pairs of famous sayings and their sources is correctly matched?
(a) Vasudhaiva Kutumbhakam : Artha Sastra
(b) Yogakshemam vahamyaham : Rig Veda
(c) Satyamevajayate : Mundaka Upanishad
(d) Satyam Shivam Sundaram : Bhagavat Gita
4497: Which of the following rivers has a bird's foot delta?
(a) The Amazon
(b) The Brahmaputra
(c) The Mississippi
(d) The Nile
4498: Gilt-edged market means
(a) bullion market
(b) market of Government securities
(c) market of guns
(d) market of pure metals
4499: There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English ?
(a) 21, 11 and 29 respectively
(b) 28, 18 and 22 respectively
(c) 37, 27 and 13 respectively
(d) 39, 29 and 11 respectively
4500: "Black holes" refers to
(a) Holes occurring in heavenly bodies
(b) Bright spots on the sun
(c) Collapsing object of high density
(d) Collapsing object of low density