If the 23rd term of an A.P. exceeds its 32nd term by -18, then its common difference is :

1. 3

2. 2

3. -2

4. 5

If the polynomial x³³ - x²² + 3 is divided by x + 1 = 0, the remainder is :

1. -1

2. 1

3. 3

4. 2

The point A(5, 4) is reflected in line 2(x + 1) = 12 to point A'. The co-ordinates of point A' are :

1. (5, 4)

2. (-5, 4)

3. (-5, -4)

4. (5, -4)