If on dividing 4x² - 3kx + 3 by (x + 2), the remainder is k - 1, then the value of k is :

1. 4

2. -4

3. 3

4. -3

If a - 1, a + 3, 3a - 1 are in A.P. then the value of a is :

1. 2

2. 4

3. -2

4. -4

The point A(4, 2) is reflected in x-axis to point A'. Point A' is further reflected in the line y + 2 = 0 to point A". The co-ordinates of the point A" are :

1. (-4, -2)

2. (-4, 2)

3. (4, 2)

4. (4, -2)