Question : A train 150 m long passes a km stone in 30 seconds and another train, of the same length and travelling in the opposite direction, in 10 seconds. The speed of the second train is:

Option 1: 90 km/h

Option 2: 125 km/h

Option 3: 25 km/h

Option 4: 75 km/h

Question : If a train 130 m long takes $6 \frac{1}{2}$ seconds to cross a man who is walking at 12 km/hr in the same direction in which the train going, then the speed of the train (in km/hr) is:

Option 1: 84

Option 2: 64

Option 3: 48

Option 4: 74

Question : A train is moving at a speed of 80 km/h and covers a certain distance in 4.5 hours. The speed of the train to cover the same distance in 4 hours should be:

Option 1: 100 km/h

Option 2: 70 km/h

Option 3: 85 km/h

Option 4: 90 km/h

Question : Sriya with her family travelled from Bolpur to Suri by car at a speed of 40 km/h and returned to Bolpur at a speed of 50 km/h. The average speed for the whole journey is:

Option 1: $44\frac{4}{9}$ km/h

Option 2: $45$ km/h

Option 3: $45\frac{1}{2}$ km/h

Option 4: $44.78$ km/h

Question : A train is moving at the speed of 54 km/h. How many seconds it will take to cover a distance of 450 meters?

Option 1: 60

Option 2: 30

Option 3: 45

Option 4: 36