1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

A120 metres
B180 metres
C324 metres
D150 metres
ENone of these

2. A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:

A45 km/hr
B50 km/hr
C54 km/hr
D55 km/hr
ENone of these

3. From a point P on a level ground, the angle of elevation of the top tower is 30º. If the tower is 100 m high, the distance of point P from the foot of the tower is:

A149 m
B156 m
C173 m
D200 m
ENone of these

4.The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:

A2.3 m
B4.6 m
C7.8 m
D9.2 m
ENone of these

5. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

A3.6
B7.2
C8.4
D10
ENone of these