Subscribe TechModgy to learn about new technologies!

A train, 800 meter long is running with a speed of 78 km/hr. It crosses a tunnel in 1 minute. What is the length of the tunnel ?

A. 650 meter

B. 555 meter

C. 500 meter

D. 458 meter

Please do not use chat terms. Example: avoid using "grt" instead of "great".