Yes
Some buses have 4 some have 6.
To make them go faster
because the wheels are broard
Well, that depends on the specific type of bus. Smaller buses may have four wheels. Six wheels is pretty common for buses. Some may have eight or ten wheels, depending on the vehicle's gross weight rating.
the wheels are used for pumping and used on cars, motorcycles,trains,buses, and at farms too
All of the buses
Weight distribution.
Unless levitation or anti gravity is perfected in the next few years, yes buses will still have wheels.
so that pressure will decrease and road will not sink
Because they carry a large load and it has to be spread among many tires.
When required they drive with chains on the wheels, this stops them skidding on ice.