Question

a train 180 M long is moving at 35 km per hour train moving in opposite direction at 25 km per hour along a parallel train passes by 18 seconds find the length of a train

Answer 1

180 m long
opposite direction 25 km
25 km =
$25 \times 1000 = 25000$
because 1 km = 1000 m
25000+180
25180 m ans