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Bunuel
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Bunuel
How many different lines are determined by 4 distinct points in a plane if no 3 of the points lie on the same straight line?

(A) 4
(B) 5
(C) 6
(D) 7
(E) 12

Since two points determine a line and there are 4 points (and no 3 of them are collinear), the number of lines that can be created is 4C2 = (4 x 3)/2! = 6.

Answer: C
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Hi...what does the "point 3 lie on the same straight line" means. Which line is it referring. Can anyone please shed some light on this point? Even if it wasn't mentioned answer would have been same (4C2) as two points make a line.
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