Which of the following statements are correct about sex ratio (number of females per 1000 males) in Rajasthan according to Census 2011? 
(i) Sex ratio in Rajasthan in 2011 was less than National average 
(ii) Sex ratio in all Districts of Rajasthan in 2011 was less than 1000 
(iii) Sex ratio in rural areas of all Districts of Rajasthan in 2011 was less than 1000, except Pali District 
(iv) Sex ratio in urban areas of all Districts of Rajasthan in 2011 less than 1000, except Dhaulpur District
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