1846: For which one of the following countries is Spanish not an official language?
(a) Colombia
(b) Cuba
(c) Republic of Congo
(d) Chile
1847: How do most insects respire?
(a) Through gills
(b) By tracheal system
(c) By lungs
(d) Through skin
1848: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?
(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking
1849: Who among the following Indian rulers established embassies in foreign countries on modern lines ?
(a) Haider Ali
(b) Mir Qasim
(c) Shah Alam II
(d) Tipu Sultan
1850: A person travels 12 km due North, then 15 km due East, after that 15 km due West and then 15 km due South. How far is he from the starting points?
(A) 12 km
(B) 33 km
(C) 61 km
(D) 60 km