Is the point Q on the circle with center C ?
1.R is a point on the circle and the distance from Q to R is equal to the distance from Q to C
2.S is a point on the circle and the distance from Q to S is equal to the distance from S to C
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.