Yes, the beef at McDonalds and Burgerking are haram. But it also depends on the city you are visiting. If it's a muslim city, always ask first.
Yes
Almost all McDonalds restaurants serve beef, in the form of burgers. On a somewhat seasonal basis, many McDonalds serve "McRibs", which are pork.
The reason why McDonalds put gherkins in their burgers is because, with you the gherkins, the burgers would be classed as a dessert due to the high levels of sugar in their burgers.
no
It is meat used in quarter pounder burgers in mcdonalds and also in kiwi burgers in New Zealand mcdonalds.
Belgium, China
No i dont think they are
Burger King probably does use fillers in its beef. However, since the "pink slime" scare, most restaurants have stopped using it in their meat.
Yes in and out is healtier
beef
Yes, McDonald's burgers contain beef.
alot