If it is 12.00 Noon in India, on which meridian wil it be 7.00 am of the same day?

If it is 12 noon in New Delhi, what will be the time in London, UK?

What would be the time at 30º East of Greenwich, if it is 12 noon at Greenwich?

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

When, there is mid-day in the Greenwich, local time of a place is 5 O'clock evening. At which of the following longitude (meridians) that place will be located –

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