Question

a person traveled from A to B by bus at the rate of 40 kmph and walked back to A at the rate of 6 kmph. the whole journey took 13 hours and 48 minutes. what is the distance between A and B.​

Answer 1

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Answer 2

Answer:

20 km

Let the distance be x km.

Total time = 5 hours 48 minutes

= 5+\frac{48}{60} = \left ( 5+\frac{4}{5} \right ) hour's

= \frac{29}{5}hours

\therefore \frac{x}{25}+\frac{x}{4} = \frac{29}{5}

=> \frac{4x+25x}{100} = \frac{29}{5}

=> 5\times 29x = 29\times 100

=> x = \frac{29\times 100}{5\times 29} = 20km.

Hence option [B] is the right

Step-by-step explanation:

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