The diagonals AC and BD of a rhombus ABCD are of lengths 6 cm and 8 cm. The length of each side of the rhombus is :

1. 3 cm

2. 5 cm

3. 7 cm

4. 9 cm

There are two buildings in two sides of a road. Keeping the foot of a ladder fixed at a point on the road, when it is placed on two buildings, then its top touches the buidings respectively at a height of 48 ft and 14 ft. If the length of the ladder is 50 ft, then the width of the road is :

1. 56 ft

2. 62 ft

3. 66 ft

4. 70 ft