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

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)

The perimeters of two similar triangles ABC and LMN are 120 cm and 96 cm respectively. If LM = 16 cm, then the length of AB is :

1. 20 cm

2. 16 cm

3. 15 cm

4. 12 cm