Two trains, A and B starts from the stations X and Y towards each other. They take 4 hours 48 mins and 3 hours 20 mins to reach Y and X respectively after they meet. If train A is moving at 45 km/hr , then the speed of train B is?

Question

aditya jangid · Answer

Is there any method other than formula?

Bidisha Das · Answer

54 km/hr.  Use the formula- Speed (A)/ Speed (B) =  root of Time (B)/ root of Time (A). Here, 4 hr 48 min = 48/10 hr and 3 hr 20 min = 10/3 hr. Therefore, 45/ speed (B) = root ( 10/3 x 10/48), i.e., 45/speed ( B) = root ( 100/144) = 10/12. Upon simplification, speed of B comes out to be 54 km/hr.

aditya jangid · Answer

Can you please explain the detailed solution?

Nimisha Naik · Answer

54 km/hr

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