4016: The approximate age of the Aravallis range is

(a) 370 million years
(b) 470 million years
(c) 570 million years
(d) 670 million years
4017: Which one of the following sets of economists strongly favoured a market economy?

(a) Adam Smith, Keynes, Hicks

(b) Adam Smith, Marx, Strumlin

(c) Adam Smith, Hayek, Friedman

(d) Adam Smith, Ricardo, J.K. Galbraith
4018: Another name of Vitamin C is:

(a) Folic acid

(b) Ascorbic acid

(c) Niacin

(d) Acetic acid
4019: Who is the author of book "New Dimensions of India" Foreign Policy?

(a) A B Vajpayee
(b) Jaswant Singh
(c) P C Alexander
(d) Yashwant Sinha
4020: Who among the following was not sent to Lanka for the propagation of Buddhism?

(a) Rashtriya

(b) Bhadrasaro

(c) Uttriya

(d) Sona