Anna left for city A from city B at 5:20, a.m | vedclass

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Question

(D) Distance covered in the first $2\, hours\, 15\, minutes$ $(2.25\, hours)$ at $80\, km/h$ is: $D_1 = 80 	imes 2.25 = 180\, km.$Remaining distance

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$10:25$

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(D) Distance covered in the first $2\, hours\, 15\, minutes$ $(2.25\, hours)$ at $80\, km/h$ is: $D_1 = 80 	imes 2.25 = 180\, km.$Remaining distance to be covered is: $D_2 = 350 - 180 = 170\, km.$Time taken to cover the remaining distance at $60\, km/h$ is: $T_2 = \frac{170}{60} = \frac{17}{6}\, hours = 2\, hours\, 50\, minutes.$Total time taken for the journey is: $T_{total} = 2\, hours\, 15\, minutes + 2\, hours\, 50\, minutes = 5\, hours\, 5\, minutes.$Anna started at $5:20\, a.m.$ Adding $5\, hours\, 5\, minutes$ to the start time: $5:20 + 5:05 = 10:25\, a.m.$

Anna left for city $A$ from city $B$ at $5:20\, a.m.$ She travelled at a speed of $80\, km/h$ for $2\, hours\, 15\, minutes.$ After that,the speed was reduced to $60\, km/h.$ If the total distance between the two cities is $350\, km,$ at what time did Anna reach city $A$?

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