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Maths Puzzle
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Q 49. A train starts from a station accelerating at 8 km/hr. and due to loss of communication between adjacent station 3km away another train is shown the green light simultaneously. The second train is accelerating at 16km/hr in the opposite direction. The trains will collide after?
Option A 20 mins
B 30 mins
C 40 mins
D 50 mins
Read Solution (Total 2)
-
- A 20 mins
Data seems incorrect.
But from given options, only 20 mins is possible because in 30 mins or mnore, the first train will cover a distance more than 3 kms which is distance between 2 stations. - 12 years agoHelpfull: Yes(2) No(0)
- @amar
data is correct and it is class 10th question
answer is 30 minute
formula used will be s=ut+1/2(a(t^2))
s=distance covered
u=initial speed
a= accerleration
t= time
- 12 years agoHelpfull: Yes(1) No(1)
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