Question

9. A man travelled from the village to the post-office at the rate of 25 km/h and
walked back at the rate of 4 km/h. If the whole journey took 5 hours 48 minutes,
30 seconds. Calculate the speed of the train.
find the distance of the post office from the village.
main covers first 130 km in 2 hours, next 180 km in a​

Answer 1

Average speed

= 2ab/(a+b),. here a=25 b=4

= 2 x 25 x 4/(25+4) = 200/29 km/hr.

Distance covered in 5 hours 48 minutes

= Speed x time = (200/29)x (29/5) Distance covered in 5 hours 48 minutes = 40kms.

Distance of the post office from the village = (40/2) = 20 km.

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Answer 2

Answer:

Hope it helps

Step-by-step explanation:

A man traveled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village ? = 2 x 25 x 4/(25+4) = 200/29 km/hr