Question

train p is running from station 1 to station 2 and Train Q is running from station 2 to station 1. Train p departs from station 1 at 6AM and after 1 hr train q departs from station 2. Both the trains reach their destination at 10 Am. At the same point of journey they crossed each other in 20 second if length of the two trains are 400m and 300m respectively find the speed of the train q​

Answer 1

Correct option is

B

437  

2

1

​

km

The train starting at 9 a.m. has travelled by 2 p.m. a distance of (5×25)km. i.e., 125 km.

Relative speed of two trains =(35−25); i.e., 10 km. per hour.

The second train shall meet the first train in  

10

125

​

; i.e., 12.5 hrs.

Distance from Aligarh=12.5×35 km=437.5 km