state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Geometry Co-ordinate Geometry
If the line joining the points (1, -5) and (-3, 5) is perpendicular to the line joining the points (6, k) and (1, 2), then the value of k is :
1
0
2
4
3
1
4
\(-{{21} \over 2}\)