1)
A person sees a train passing over 1 km long bridge. The length
of the train is half that of the bridge. If the train clears the
bridge is 2 minutes the speed of the train is
(a) 50 km/hr
(b) 45 km/hr
(c) 60 km/hr
(d) 30 km/hr
Answers
Answered by
0
Ansuwur:
(b) 45 km/hr
Distance covered in 2/60 hr
= (1+1/2) km = 3/2 km.
Distance covered in 1 hr
= (3/2 × 60/2) km
= 45 km.
Answered by
0
Answer:
ans is (b) 45km/hr
Step-by-step explanation:
Distance travel in 2 minute=(1+21)km.=23km.
Distance covered in 1 hour=(23×260)km=45km
∴ Speed of the train=45 km/hr
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