The angles of a quadrilateral are in the ratio 2 : 4 : 5 : 7. The angles of given quadrilateral are :

1. 40°, 60°, 100°, 140°

2. 40°, 80°, 120°, 120°

3. 40°, 80°, 100°, 140°

4. 40°, 60°, 100°, 160°

ABCD is a parallelogram in which ∠A = 72°. Measures of ∠B, ∠C and ∠D respectively will be :

1. 72°, 108°, 108°

2. 108°, 108°, 72°

3. 108°, 72°, 108°

4. none of these

If one angle of a parallelogram is 30° less than twice the smallest angle, then measure of each angle will be :

1. 60°, 80°, 80°, 140°

2. 70°, 110°, 70°, 110°

3. 60°, 120°, 60°, 120°

4. 75°, 105°, 75°, 105°

ABCD is a parallelogram in which AB = 9.5 cm and its perimeter is 30 cm. Length of each side of parallelogram ABCD is :

1. AB = 9.5 cm, DC = 9.5 cm, BC = 5.5 cm, DA = 5.5 cm

2. AB = 9.5 cm, BC = 9.5 cm, DC = 5.5 cm, DA = 5.5 cm

3. DC = 5.5 cm, BC = 5.5 cm, AB = 9.5 cm, AD = 9.5 cm

4. none of these