1726: 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
1727: If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume ?

(a) 327°C

(b) 600°C

(c) 54°C

(d) 300°C
1728: Monazite is an ore of

(a) zirconium

(b) thorium

(c) titanium

(d) iron
1729: In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as

(a) pesticides in agriculture

(b) preservatives in processed foods

(c) fruit-ripening agents

(d) moisturising agents in cosmetics
1730: A rectangular water tank measures 15 m x 6 m at top and is 10 m deep. It is full of water. If water is drawn out lowering the level by 1 metre, how much of water has been drawn out ?

(a) 45,000 litres
(b) 90,000 litres
(c) 4,500 litres
(d) 900 litres