29 If the mid point of the line segment joining the points (3,4) and ( – InterviewSolution

1.	29 If the mid point of the line segment joining the points (3,4) and (k, 7) lies on the straight line 2x+ 2y+ 1-0then the value of k is -a) 15. b)-15, c) 5, d) 10.
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