B-major has 5 sharps: F#, C#, G#, D#, A#
in that order
The Key of Ab does not have any sharps naturally written in it. It has four flats.
A♯ minor has the maximum seven sharps, but A♯ major has 10 'sharps', 4 sharps and three *double* sharps, so B-flat major will be preferable with only two flats.
2 flats B-flat and E-flat
There aren't any sharps in c minor - there are three flats, b flat, e flat and a flat.
The order of sharps are the same on any instrument: F, C, G, D, A, E, B.
B Major (and G sharp minor) has five sharps, but B minor only has two sharps (like D major).
2
There are two flats in the key of B flat major: B flat and E flat.
The Key of Ab does not have any sharps naturally written in it. It has four flats.
A♯ minor has the maximum seven sharps, but A♯ major has 10 'sharps', 4 sharps and three *double* sharps, so B-flat major will be preferable with only two flats.
There are four sharps in C sharp minor. These sharps are C# D# F# and G#. The harmonic minor also has B#. (which is C)
2 flats B-flat and E-flat
2 flats B-flat and E-flat
Two flats, B flat and E flat
E sharp has 3 sharps and 4 double sharps, the sharps are E sharp, A sharp, and B sharp.
3. E,a,b
There aren't any sharps in c minor - there are three flats, b flat, e flat and a flat.