Question : A policeman spots a thief at a distance of 200 m and starts chasing him. While the policeman runs at a speed of 9 km/hr, the thief runs at a speed of 7 km/hr. After how long will the policeman catch the thief?

Option 1: 6 minutes

Option 2: 3 minutes

Option 3: 10 minutes

Option 4: 5 minutes

Question : Two trains 100 metres and 95 metres long, respectively pass each other in 27 seconds when they run in the same direction and in 9 seconds when they run in opposite directions. The speeds of the two trains are:

Option 1: 44 km/hr, 22 km/hr

Option 2: 52 km/hr, 26 km/hr

Option 3: 36 km/hr, 18 km/hr

Option 4: 40 km/hr, 20 km/hr

Question : A 1000-metre-long train is running at the speed of 72 km/hr. If it crosses a bridge in 85 seconds, then what is the length of the bridge?

Option 1: 800 metres

Option 2: 700 metres

Option 3: 950 metres

Option 4: 750 metres

Question : A walks at a speed of 10 km/hr and 20 hours after his start, B starts on his cycle after him at the speed of 15 km/hr. How far from the starting point will B catch A?

Option 1: 600 km

Option 2: 800 km

Option 3: 1000 km

Option 4: 700 km

Question : A man starts from place A and reaches place B in 50 hours. He travels $\frac{1}{4}$th distance at the speed of 5 km/hr and the remaining distance at the speed of 15 km/hr. What is the distance between A and B?

Option 1: 525 km

Option 2: 500 km

Option 3: 375 km

Option 4: 425 km