How long does it take for the Moon to revolve around the Earth?
7 days
14 days
28 days
31 days
we all hv studied that moon takes 27 days to revolve around earth 1 revolution of moon around the earth is 1 complete yr.then why are there 30 /31 days in a month?also, why the moon revolves fast in feb take only 28/29 days?