সব প্রশ্নে ফিরে যান
Math
A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds.The speed of the second train is
A) 48 km/hr
B) 54 km/hr
C) 82 km/hr
সঠিক উত্তর
D) 66 km/hr