A) 36 s
B) 30 s
C) 24 s
D) 18 s
Correct Answer: C
Solution :
Speed of train \[=\frac{150+500}{30}=\frac{650}{30}=\frac{65}{3}\text{m/s}\] Required time \[=\left( \frac{150+370}{65} \right)\times 3\] \[=24\,s\]You need to login to perform this action.
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