Two trains,Kanpur Mail and Delhi Mail,start a | vedclass

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(B) Let the speed of Kanpur Mail be $S_1$ and the speed of Delhi Mail be $S_2$.Let the time taken by Kanpur Mail to reach its destination after meetin

Vedclass · Accepted Answer

$96$

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(B) Let the speed of Kanpur Mail be $S_1$ and the speed of Delhi Mail be $S_2$.Let the time taken by Kanpur Mail to reach its destination after meeting be $t_1 = 12\, 	ext{hours}$.Let the time taken by Delhi Mail to reach its destination after meeting be $t_2 = 3\, 	ext{hours}$.The relationship between speeds and times after crossing is given by the formula: $\frac{S_1}{S_2} = \sqrt{\frac{t_2}{t_1}}$.Given $S_1 = 48\, 	ext{km/hr}$,$t_1 = 12\, 	ext{hours}$,and $t_2 = 3\, 	ext{hours}$.Substituting the values: $\frac{48}{S_2} = \sqrt{\frac{3}{12}}$.$\frac{48}{S_2} = \sqrt{\frac{1}{4}} = \frac{1}{2}$.$S_2 = 48 	imes 2 = 96\, 	ext{km/hr}$.

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