One angle of a seven-sided polygon is 114° and each of the other six angles is x°. Then the magnitude of x is :

1. 131°c

2. 132°

3. 135°

4. 130°

In a parallelogram ABCD, ∠A - ∠C is equal to :

1. 90°

2. 120°

3. 0°

4. 180°

The sum of the interior angles of a regular polygon is equal to six times the sum of its exterior angles. The number of sides of the polygon is :

1. 14

2. 10

3. 12

4. 16

An exterior angle and an interior angle of a regular polygon are in the ratio 2 : 7. The number of sides in the polygon is :

1. 12

2. 6

3. 4

4. 9