171: What does S & P 500 relate to ?

(a) A new technique in e-business

(b) Supercomputer

(c) An index of stocks of large companies

(d) A new technique in bridge building
172: Mahatma Gandhi Setu is built over the river:

(a) Ganga

(b) Brahmaputra

(c) Godavari

(d) Cauvery
173: Match List-I (Fuel Gases) with List-II (Major Constituents) and select the correct answer using the codes given below the Lists:

List-I -- List-II

(Fuel Gases) -- (Major Constituents)

A. CNG -- 1. Carbonmonoxide, Hydrogen
B. Coal gas -- 2. Butane, Propane
C. LPG -- 3. Methane, Ethane
D. Water gas -- 4. Hydrogen, Methane, Carbonmonoxide

Codes:

A B C D

(a) 2 1 3 4

(b) 3 4 2 1

(c) 2 4 3 1

(d) 3 1 2 4
174: Who amongst the following was the first to state that the Earth was spherical?

(a) Aristotle

(b) Copernicus

(c) Ptolemy

(d) Strabo
175: In which one of the following places is the Shompen tribe found?

(a) Spiti Valley
(b) Nicobar Islands
(c) Nilgiri Hills
(d) Lakshadweep islands