How long will a 500 m long train go through a tunnel 500 m long if the train’s speed is 60 km / h?

1) 500 + 500 = 1000 (m) – bridge and train length together
2) 60 km / h = 60,000 m / h = (60,000: 60) m / min = 1000 m / min
3) 1000: 1000 = 1 min – time
Answer: 1 min.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.