Question

What is the major key of 3 sharps?

Answer 1

A major has 3 sharps

Explanation: The sharps A has are c, f and g sharp. A is also the 4th major key and since C has no sharps, you can easily deduct that A has 3.

Answer 2

It is A major

G D A E B F C

G is for 1 sharp

D is for 2 sharps

A is for 3 sharps

E is for 4 sharps

B is for 5 sharps

F is for 6 sharps

C is for 7 sharps

Hope this helps!