Question

plz solve this math

★★★ A train moving at 15'm/sec takes 20 seconds to pass
a cyclist moving in the same direction as that of the
train. How much time will the train need to pass the
cyclist, if the cyclist moves in a direction opposite to
that of the train and if the speed of the cyclist is 5 m/
sec and the length of the cycle is 1 m?​

Answer 1

Step-by-step explanation:

84kph is the answer

plz make me brainlist