1851: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
1852: Who among the following was a Brahmavadini who composed some hymns of the Vedas ?
(a) Lopamudra
(b) Gargi
(c) Leelavati
(d) Savitri
1853: A Person has to completely put each of three liquids : 403 litres of petrol, 465 litres of diesel and 496 litres of the Mobil Oil in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completed filled. What is the least possible number of bottles required ?
(A) 46
(B) 34
(C) 44
(D) None of the above
1854: In the context of digital technologies for entertainment, consider the following statements:
1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.
2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.
3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.
4. VR closes the world, and transposes an individual, providing complete immersion experience.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 and 4
(c) 1, 2 and 3
(d) 4 only
1855: The Montague-Chelmsford Proposals were related to
(a) social reforms
(b) educational reforms
(c) reforms in police administration
(d) constitutional reforms