Question

a man travelled from village to post office @ 30 kilometre per hour and walked back to the rate of 5 kilometre per hour if the whole journey journey took 35 hours find the distance of the post office from the village​

Answer 1

Answer:

20

Step-by-step explanation:

Ans:- 20km

Solution:-

Average speed = 2ab/(a+b) here a=25 b=4

= 2x25x4/(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.

Answer 2

Step-by-step explanation:

answer for this is :

the time and speed is given.So, the distance should be finded

Distance = speed ×time

=30+5 ×35

=1225 km