" The false statement in the following is "

The false statement among the following is

The false statement among the following is

The false statement among the following is

The false statement among the following is

If hati, hatj, hatk are unit vectors along the positive direction of x^(-),y ^(-) and z-axes, then a false statement in the following is :

If hat(i) , hat(j) ,hat(k) are unit vectors alng the positive directin of x- y- are z-axis then a false statement in the following is :