Questions in st-line

Select	Question
	The straight lines $x+2y-9=0,$ $3x+5y-5=0$ and $ax+by-1=0$ are concurrent, if the straight line $35x-22y+1=0$ passes through the point
	If the lines $ax+y+1=0,x+by+1=0$ and $x+y+c=0$ (a, b, c being distinct and different from 1) are concurrent, then $\frac{1}{1-a}+\frac{1}{1-b}+\frac{1}{1-c}=$
	If the lines $ax+2y+1=0,bx+3y+1=0$ and $cx+4y+1=0$ are concurrent, then a, b, c are in
	The lines $2x+y-1=0,ax+3y-3=0$ and $3x+2y-2=0$ are concurrent for
	If lines $4x+3y=1,y=x+5$ and $5y+bx=3$ are concurrent, then $b$ equals
	Three lines $3x-y=2,\,\,5x+ay=3$ and $2x+y=3$ are concurrent, then $a =$
	The three lines $lx+my+n=0$, $mx+ny+l=0$, $nx+ly+m=0$ are concurrent if
	The straight lines $4ax+3by+c=0$where $a+b+c=0$, will be concurrent, if point is
	If the lines $x+q=0,y-2=0$ and $3x+2y+5=0$ are concurrent, then value of q will be
	The value of $\lambda $ for which the lines $3x+4y=5,$ $5x+4y=4$ and $\lambda x+4y=6$ meet at a point is