If the system of equations `x+y+z=6, x+2y+kz=0` and `x+2y+3z=10` has no solution, then the value of k is -

If the system of equations x+y+z=6, x+2y+lamdaz=0, x+2y+3z=10 has no solution then lamda=

If the system of equations x+a y=0, a z+y=0 and a x+z=0 has infinite solutions, then the value of a is

If the system of equations x+y+z=6, x+2y+lambdaz=10 and x+2y+3z=mu has infinite solutions, then the value of lambda+2mu is equal to

If the system of equations x+y+z=6, x+2y+lambdaz=10 and x+2y+3z=mu has infinite solutions, then the value of lambda+2mu is equal to

If the system of equation x+y=6,x+2y+lamdaz=0, x+2y+3z=0 has no solution then lamda=

if the system of equations x+y+z=0 , x+3y+k^2z=0 and x+2y+z=0 have a non zero solution then value of y+(x/z) is

The system of linear equation : x+y+z=6,x+2y+3z=10 and x+2y+az=6 has no solutions when: