A P Prabhakaran Solutions for Chapter: Straight Lines, Exercise 3: OBJECTIVE TYPE QUESTIONS

 The midpoints of the sides of a triangle are $(3, 2), (5, 3)$and $(4, 1),$ then the area of the triangle in square units is

If $x_1$, $x_2$, $x_3$ as well as $y_1$, $y_2$, $y_3$ are in $G.P.$ with the same common ratio, then the points $(x_1,y_1)$, $(x_2,y_2)$ and $(x_3,y_3)$ form

The $x$-axis, $y$-axis and line passing through point $A(5,0)$ form a triangle $AOB$, where $O$ is origin. If $\angle A={60}^o$, then the area of triangle in square units is

The equation of the straight line through the point $(2, 3)$ and having $y-$intercept equal to twice of its $x-$intercept is  

The line $6x+8y+1 = 0$ makes intercepts $p, q$ on coordinate axes. The value of $p+q$ is

If $(a,1),(6,b),(7,5)\text{ and }(3,2)$ taken in order are vertices of parallelogram, then $3a+b$ is 

If $y-(2\lambda +1)x+3=0$ and $y-(\lambda -1)x=4$ are perpendicular, then the value of $\lambda$ is/are

If $2y-p^{2}x=3$ and $2y-(4px+1)=0$ are parallel, then the value of $p$ is