The number of values of `k` for which the lines `(k+1)x+8y=4ka n dk x+(k+3)y=3k-1` are coincident is __________

The number of values of k, for which the system of eauations: (k+1)x+8y=4k kx+(k+3)y=3k-1 has no solution is,

The value of k for which the lines 5x+7y=3 and 15x+21y=k coincide is

Number of values of k for which the lines k x+y+1=0 x+k y+2=0 x+y+k=0 are concurrent is 3 (2) 2 (3) 1 (4) 0

The number of values of k for which the system of linear equations, (k+2)x+10y=k; kx + (k+3)y=k-1 has no solution, is

The value of k for which the lines 5x+7y=3 and 15x + 21y = k coincide is

The value of k for which the lines 7x -8y +5=0, 3x-4 y+5 =0 and 4x+5y+k =0 are concurrent is given by