Naming two Congruent Triangles

Q. In the following picture, two congruent triangles are shown.

Which of the following are the correct ways to represent their congruency? Check all that apply.

1. $△ABC\cong △PQR$
2. $△BCA\cong △QRP$
3. $△ACB\cong △PRQ$
4. $△BCA\cong △QPR$

Q. In the adjoining figure, which of the following is correct?

1. $△ABC\cong △PQR$
2. $△ABC\cong △QRP$
3. $△BAC\cong △PQR$
4. $△CAB\cong △PQR$

Q. In the adjoining figure, two triangles are given.

Which of the following is correct?

1. $△ABC\cong △PQR$
2. $△ABC\cong △PRQ$
3. (a) and (b) above.
4. None of the above

Q. $△ABC\cong △PQR$ implies that:

1. the triangles are congruent
2. Vertex $A$ is corresponding to vertex $P$
3. $m\angle B=m\angle Q$
4. Vertex $B$ corresponds to vertex $R$