1851: An ad valorem duty is a tax on the basis of:

(a) The price of a commodity

(b) The value added

(c) The advertisement expenditure

(d) The unit of the commodity
1852: On the Moon, astronauts inflate a rubber balloon with hydrogen gas and release it at a height of 2 metres. The balloon will:

(a) Fall down

(b) Go upwards

(c) Remain at the height of 2 metres

(d) First go up and finally come down
1853: The group of small pieces of rock - revolving round the sun between the orbits of Mars and Jupiter are called

(a) meteors
(b) comets
(c) meteorites
(d) asteroids
1854: In which Olympics games did India last win a Gold Medal?

(a) Montreal (1976)
(b) Moscow (1980)
(c) Los Angeles (1984)
(d) Atalanta (1996)
1855: The bats can fly in the dark because:


(a) They have a better vision in the dark

(b) The light startles them

(c) They produce ultrasonics

(d) None of the above