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Question

(A) $1$. Calculate the actual travel time without stops: $	ext{Time} = \frac{	ext{Distance}}{	ext{Speed}} = \frac{600 \, km}{100 \, km/hr} = 6 \, \

Vedclass · Accepted Answer

$6 \, 	ext{hours} \, 21 \, 	ext{minutes}$

Vedclass · Answer

(A) $1$. Calculate the actual travel time without stops: $	ext{Time} = \frac{	ext{Distance}}{	ext{Speed}} = \frac{600 \, km}{100 \, km/hr} = 6 \, 	ext{hours}$.$2$. Calculate the number of stops: The train stops every $75 \, km$. The number of stops in $600 \, km$ is $\frac{600}{75} = 8$. However, the train does not stop at the final destination, so the number of stops is $8 - 1 = 7$ stops.$3$. Calculate the total halt time: $7 \, 	ext{stops} 	imes 3 \, 	ext{minutes/stop} = 21 \, 	ext{minutes}$.$4$. Calculate the total time: $	ext{Total time} = 	ext{Travel time} + 	ext{Halt time} = 6 \, 	ext{hours} + 21 \, 	ext{minutes} = 6 \, 	ext{hours} \, 21 \, 	ext{minutes}$.

An express train travelled at an average speed of $100 \, km/hr$, stopping for $3 \, minutes$ after every $75 \, km$. How long did it take to reach its destination $600 \, km$ from the starting point?

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