Ek railgadi ek saman chal se a 180 kilometre ki duri Tay Karti hai yadi iski chaal 45 kilometre prati hawa badha de tu wahi Yatra mein do ghante kam samay lagte Hain to railgadi ki chaal gyat kijiye
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Answer:
45km/hours
Step-by-step explanation:
mana ki 45 km hi chal h train ki per hour
to time=duri/sami
time =180/45
= 4 hours
aur ab 45 km aur race badha dene pe new chal 90km ho gyi h to
time =180/90= 2 hours
to phle 4 ghante lagte they pr 45km/h badha dene pr 2 ghante kam lagte h
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