Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speeds of Train-A and Train-B ?
Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speeds of Train-A and Train-B ?
A3 : 2
B3 : 4
C4 : 3
DCannot be determined
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