2011 की जनगणना के अनुसार, निम्नलिखित में से किस राज्य/केंद्र शासित प्रदेश में पुरुष साक्षरता दर सबसे अधिक दर्ज की गई थी?

A large portion of the non-ecumene region of the Earth has remained sparsely populated primarily because of:

A significantly low sex ratio (fewer females per male) is most typically associated with which type of urban centers due to male-selective migration?