Dependent pair of LE

Q.

Which of the following represents a pair of dependent equations?

1. $5x=6-3y;9y=12-15x$

2. $3x=6-3y;10y=12-15x$

3. $y=-\frac{3}{2}-\frac{x}{2};x=-3-2y$

4. $y=\frac{2}{7}-\frac{x}{7}$; $x=\frac{2}{7}-\frac{y}{7}$

Q. Dependent pair of linear equations is always ___.

1. continuous
2. inconsistent
3. consistent
4. recurring

Q. If two equations intersect at one point, what do we call that system?

1. Consistent
2. Coincident
3. Inconsistent
4. Dependent

Q.

Which of the following pairs of equations is not dependent?

1. $3x-7y=10;6x-14=12$
2. $3x-7y=10;6x-14=20$
3. $4x+3y=5;8x+6y=10$
4. $7x+11y=10;14x+22y=20$