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Q: Why 82 degree 30?
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Why is 82.5 E longitude chosen as the standard meridian for India?

82 degree and 30' is taken as the standard meridian of India Because: It aviods confusion regarding train and flight timings as there is a time lag of 2 hours from Gujrat to Arunachal Pradesh. 82 degree and 30' is divisible by 7 degree and 30'. It divides the two hour lag from west to east into one hour by passing through mirzapur in Uttar pradesh.


Which state is the easternmost state of India?

Eastermost- Arunachal Pradesh capital ItanagarNorthernmost- Jammu and Kashmir- Winter capital- Jammu Summer capital- SrinagarWesternmost- Gujarat capital GandhinagarSouthernmost- Tamil Nadu capital Chennai (Madras)


Why standard meriadian of india is chosen as 82 degree 30 min?

It is because the Standard Meridian of India almost passes from the centre of India. Standard Meridian of India passes through Mirzapur in Uttar Pradesh.


Why do you need standard meridian of India?

India is situated from west to east in about 30 longitudes . It takes4 minutes to cross a longitudes . India is situated between 67 degree E to 97 degree E. Hence there is a two hours difference in the timings of the western most extreme extremity and the easternmost extremity if there is no standard meridian in India we have to advance our watch by 4 minutes on each longitude, if we travel from west to east . In order to avoid the problem we have chosen 82 degree 30 E as standard meridian and its local time is taken a standard throughout the country.


What are the factor pairs of 82?

The factors pairs of 82 are (1 x 82) and (2 x 41).