In the adjoining figure, a square of side 1 cm is joined to a square of side 3 cm. The perimeter of the new figure is

1. 13 cm

2. 14 cm

3. 15 cm

4. 16 cm

Two regular hexagons of perimeter 30 cm each are joined as shown in the adjoining figure. The perimeter of the new figure is

1. 65 cm

2. 60 cm

3. 55 cm

4. 50 cm

Four square tables with side 1.3 m are placed end to end to form one big rectangular table. The perimeter of the rectangular table is

1. 5.2 m

2. 10.4 m

3. 13 m

4. 20.8 m

The area of a rectangle is 180 cm². If its length is 15 cm, then the ratio of its breadth to its length is

1. 1 : 12

2. 12 : 1

3. 5 : 4

4. 4 : 5