"A train started from a station with a certain number of passengers. At the first halt, half of the
Channel: Doubtnut
Date: 2020-04-05

"A train
 started from a station with a certain number of passengers. At the first
 halt, half of the passengers got down and 125 passengers got in. At the
 second halt, half of the passengers left and 100 entered. Then the train left
 for its destination with 250 passengers. The number of passengers in the
 train at the start was
(a)
 250 (b) 350 (c) 450 (d) 550"