Question

Q2. A mail train of 240 meters long, traveling at a uniform speed and crosses a
bridge in 80 second and a boy standing on the bridge in 40 seconds. What is the
length of bridge?
A. 222 Meters B. 240 Meters
C. 268 Meters
D. 292 Meters
​

Answer 1

Answer:

b

Step-by-step explanation:

speed of train crossing bridge of length x,

240+x

______

80

speed of train crossing boy

240

____ = 6 m/s

40

speed of train is same in both the above cases

240+x

_____ =6

80

240+x =480

x= 240m