CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A man sees a train passing a bridge 1 km long. The length of the train is half that of the bridge. If the train clears the bridge in 2 minutes, then the speed of the train in km/hr is

A
x=35
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
x=45
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
x=40
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
x=65
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B x=45

According to the given condition

The total distance that needs to be covered by the train to cross the bridge =12+1

=1+22

= 32 km

Given that the time taken = 2 minutes when converting into hour we have 260=130 hr

Let the speed of the train = x km/hr

So, the train will cover x km in one hour.

we have

Distance covered time taken32kms 130hrx km 1hr

Cross multiplying we have

32×1=x×130

32=x30

45=x

Hence the speed of the train = 45 km/hr

flag
Suggest Corrections
thumbs-up
4
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon