JEE Mains 02-Sep-2020 Shift 1 Solved Paper

Train A and train B are running on parallel tracks in the opposite directions with speeds of 36 km/ hour and 72 km/ hour, respectively. A person is walking in train A in the direction opposite to its motion with a speed of 1.8 km∕ hr. Speed (in ms−1 ) of this person as observed from train B will be close to : (take the distance between the tracks as negligible)