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 ?
A) 40 km
B) 30 km
C) 20 km
D) 10 km
Answers
Answered by
2
Answer: C) 20 km
Explanation:
Average speed = 2aba+b2aba+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
hope it helps you
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Explanation:
Average speed = 2aba+b2aba+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
hope it helps you
mark it as brainiest answer
Answered by
0
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 ?
A) 40 km
B) 30 km
C) 20 km✔️✔️✔️
D) 10 km
A) 40 km
B) 30 km
C) 20 km✔️✔️✔️
D) 10 km
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