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Questions  

The slopes of the line which passes through the origin, and the mid-point of the line segment joining the points. P(3,  4) and Q ( 5,  2) is

a
3
b
-3
c
-1
d
1

detailed solution

Correct option is A

Coordinate of the mid-point of the line segment joining P and Q are 3−52,−4−22=(−1,−3) so slope of the required line is 0−(−3)0−(−1)=3

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