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25 Mar 2020, 03:35
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
84% (01:52) correct
16%
(02:19)
wrong
based on 161
sessions
History
Date
Time
Result
Not Attempted Yet
In how many seconds a 90-meter long train moving at 18 kilometers per hour cross a bridge which is 270 meters long?
A. 70 sec
B. 72 sec
C. 140 sec
D. 144 sec
E. 146 sec
A. 70 sec
B. 72 sec
C. 140 sec
D. 144 sec
E. 146 sec
25 Mar 2020, 03:42
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Bunuel
Asked: In how many seconds a train moving at 18 kilometers per hour cross a bridge which is 270 meters long?
18 km/hr = 18*1000/60*60 = 5 m/s
Let seconds required for a train moving at 18 kilometers per hour cross a bridge which is 270 meters long = t seconds
270 m = 5 m/s *t
t = 270 /5 = 54 seconds
Hi Bunuel
I think train length is also required.
None of the answers seem correct with available data.
ShankSouljaBoi
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25 Mar 2020, 03:44
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I'm getting none of the options. Train length should be mentioned or options should be changed.
Bunuel please check
Posted from my mobile device
Bunuel please check
Posted from my mobile device
