Q: In 18 seconds, a train 160 metres long passes a standing man. The train's top speed is

A 32 kmph
B 40 kmph
C 45 kmph
D 35 kmph
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Answer: A


The distance traveled by the vehicle is given as 160 meters.

The time taken to travel that distance is given as 18 seconds.

We can use the formula speed = distance/time to find the speed of the vehicle. Plugging in the values given in the problem, we get speed = 160 meters / 18 seconds.

Solving for speed, we get speed = 8.88 m/s.

The speed of the vehicle is also given in km/hr, so we need to convert the speed from m/s to km/hr. 

We can use the formula speed (km/hr) = speed (m/s) * (18/5). 

Plugging in the value of speed that we found in step 4, we get speed = 8.88 m/s * (18/5) km/hr.

Solving for speed, we get speed = 32 km/hr.

Therefore, the speed of the vehicle is 32 km/hr.

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