That depends on what form of Christianity you are talking about. Some Catholics fast during Lent, but most of the other forms never fast.
Christians fast as a sign of penance and sacrifice, but are not required to do so
Yes
Yes.
Friday is used as a day of fasting by some Christians.
Christians can pray and fast. There are some demons that are so strong that you have to pray and fast for awhile to drive them out when you are trying to cast out illnesses, infirmities, or disabilities in Jesus' name. Have faith, not doubt.
they dont muslims do
Christians usually fast on one day of the year and that is goodfriday only.
Some Christians fast during lent to put their focus on God. They want to "give something up" for God. During the time they would be doing the activity their fasting from, they would pray or read their Bible to grow closer to God.
Orthodox Christians fast every Wednesday and Friday of the week from meat and dairy. During lent and Holy Week, they fast all 40 (plus seven more of Holy Week) days, again from meat and dairy. There are also certain fast days and fast periods throughout the year such as the Christmas Fast and the Apostles' Fast.
In the strictest practice, Orthodox Christians refrain from meat (including fish), all dairy products (eggs are included in this category), wine and (olive) oil on fasting days. On fast days designated as "wine and oil" or "fish, wine, and oil", these items are permitted.
Christians don't fast. Islam fasts during Ramadan. Don't know about Hindus.
Many christians fast on Good Friday, eating only one meal that day.How fast were you going in the Corvette?