1836: The Ajanta Caves were built during the period of:

(a) Guptas

(b) Kushans

(c) Mauryas

(d) Chalukyas
1837: Isohyets are the lines drawn on a map connecting points having:

(a) Equal temperature

(b) Equal height

(c) Equal atmospheric pressure

(d) Equal rainfall
1838: Who established four Maths in four corners of India?

(a) Shankaracharya

(b) Bhaskara

(c) Ramanujacharya

(d) None of these
1839: Which of the following were the aims behind the setting up of the World Trade Organization (WTO) ?

I. Promotion of free trade and resource flows across countries.
II. Protection of intellectual property rights.
III. Managing balanced trade between different countries.
IV. Promotion of trade between the former East Block countries and the western world.

Select the correct answer by using the codes given below :

Codes :

(a) I, II, III and IV

(b) I and II

(c) II and III

(d) I and IV
1840: On 21st June, the Sun

(a) does not set below the horizon at the Arctic Circle

(b) does not set below the horizon at Antarctic Circle

(c) shines vertically overhead at noon on the Equator

(d) shines vertically overhead at the Tropic of Capricorn