A man travels from A to B at 4 mph over a certain journey and returns over the

A man travels from A to B at 4 mph over a certain journey
and returns over the same route to A, at 5 mph. What is his
average speed for the journey?

Question Posted / suresh

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A man travels from A to B at 4 mph over a certain journey and returns over the same route to A, at ..

Answer / rao20vaibhav

4.5mph

Is This Answer Correct ?

14 Yes

19 No

A man travels from A to B at 4 mph over a certain journey and returns over the same route to A, at ..

Answer / ajit

suppose distance of A to B is 30 mile.
then A man travel A to B in 5 hr.and return form B to A in 4 hr. Total time is 9 hr. taken by A man.
(4+5)/2=4.5 mph

Is This Answer Correct ?

1 Yes

7 No

A man travels from A to B at 4 mph over a certain journey and returns over the same route to A, at ..

Answer / kumari sharada

x=4m/h
y=5m/h
average speed= x+y/2
4+5/2=4.41m/h

Is This Answer Correct ?

21 Yes

42 No

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