731: Lake Sambhar is nearest to which one of the following cities of Rajasthan?
(a) Bharatpur
(b) Jaipur
(c) Jodhpur
(d) Udaipur
732: To integrate cultural leaders into its meetings, which one of the following gives "Crystal Award"?
(a) Asia Pacific Economic Cooperation
(b) International Bank for Reconstruction and Development
(c) World Health Organization
(d) World Economic Forum
733: A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is
(a) 12 years
(b) 15 years
(c) 18 years
(d) 20 years
734: Solution of washing soda in water is:
(a) Acidic
(b) Basic
(c) Neutral
(d) Sour
735: The word "Denisovan" is sometimes mentioned in media in reference to
(a) fossils of a kind of dinosaurs
(b) an early human species
(c) a cave system found in North-East India
(d) a geological period in the history of the Indian subcontinent