The lengths of the diagonals of a rhombus are 16 cm and 12 cm. The length of the side of rhombus is

1. 9 cm

2. 10 cm

3. 8 cm

4. 20 cm

A ladder reaches a window 12 m above the ground on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 9 m high. If the length of the ladder is 15 m, then the width of the street is

1. 30 m

2. 24 m

3. 21 m

4. 18 m

If a side of a rhombus is 10 cm and one of the diagonals is 16 cm, then the length of the other diagonal is

1. 6 cm

2. 12 cm

3. 20 cm

4. 12 cm

If a ladder 10 m long reaches a window 8 m above the ground, then the distance of the foot of the ladder from the base of the wall is

1. 18 m

2. 8 m

3. 6 m

4. 4 m