4096: Consider the following houses:

1. Christie's
2. Osian's
3. Sotheby's

Which one of the above is/are auctioneer/auctioneers?

(a) 1 only
(b) 1 & 3
(c) 2 & 3
(d) 1, 2, 3
4097: A class of animals known as Marsupials is a characteristic feature of

(a) Africa
(b) Australia
(c) South America
(d) South-East Asia
4098: What is the principle by which a cooling system (Radiator) in a motor car works ?

(a) Convection
(b) Conduction only
(c) Both conduction and radiation
(d) Radiation only
4099: Which one of the following diseases is least infectious ?

(a) Leprosy

(b) Tuberculosis

(c) Conjunctivitis

(d) Hepatitis
4100: Which one of the following scripts of ancient India was written from right to left?

(a) Brahmi

(b) Nandnagari

(c) Sharada

(d) Kharoshti