Standard Indian Time (Meridian Longitude 82° 30') passes through which of the following towns?

Which one of the following longitudes is the standard meridian of India ?

The Indian Standard Time Meridian does not pass through

The Prime Meridian does not pass through which one of the following African countries?

Which one of the following longitudes along with the Prime Meridian forms a great circle on the globe.

Which one of the following is the longest Latitude ?