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If you are talking about straight lines, the answer is NONE, because that is what noncollinear means. If curves are allowed, then the answer is infinitely many.
there are 6 lines can pass through 4 noncollinear points.
only 1 lines can contain 3 collinear points. Maybe you mean coplanar?
Not if they are straight lines.
If only 7 are colinear, then the question implies the lines need not go through every point. In that case there is an infinity of lines for each point.