Questions

Gagan Narang was a famous Indian shooter who was first qualified to London Olympics. He was conferred with Arjuna Award for shooting. 

The Gobi desert is located in northern China region and southern Mangolia region.

Since, the sentence starts talking about the reason; R will be the continuing statement as it goes with the flow of the statement. The continuing statement talks about the existing of life i.e. P. Thus, all other options are eliminated. The correct formation would be, ‘There is no reason why we should not be willing to think that life may exist in great profusion in other worlds.’

The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.

Mukesh Ambani, an Indian who secured 13th position in Forbes ultra rich list 2019. 

Mukesh Dhirubhai Ambani is an Indian business magnate, the chairman, managing director, and the largest shareholder of Reliance Industries Limited, a Fortune Global 500 company and India's most valuable company by its market value.