In music, What are the major scales that start on D, G & A?!

Question: d major, which has 2 sharps f and c.

g major, which has one sharp f.

A major, which has 3 f, c and g.

Answers: d major, which has 2 sharps f and c.

g major, which has one sharp f.

A major, which has 3 f, c and g.

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