Correct option is B
Information Given:
Train X crosses another train Y in 10 seconds.
The lengths of train X and train Y are ‘d’ meters and ‘d + 40’ meters respectively.
The speeds of train X and train Y are 108 km/h and 126 km/h respectively
Formulas Used:
Time: Distance/Speed
Basic Explanation:
ATQ,
2d + 40 =650
d = 305
Exam Hall Approach
