Q83 / 160 · AP EAMCET 2017 (25 Apr Shift 2) · Mathematics

The point $P(a, b)$ lies on the straight line $3 x+2 y=13$ and the point $Q(b, a)$ lies on the straight line $4 x-y=5$. Then the equation of the line $P Q$ is

A
$x+y=7$
Correct answer
B
$x+y=5$
C
$x+y=2$
D
$x+y=21$

Hence, the correct answer is option: 'B'.

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