A) \[8\] h
B) \[2\frac{1}{2}\,\,\text{h}\]
C) \[9\] h
D) \[7\]h
Correct Answer: A
Solution :
Suppose the man covers first distance in ?x? hour and second distance in ?y? hour. Then, \[4x+5y=35\] and, \[5x+4y=37\] Solving these equations, we get \[x=5\] and \[y=3\] \[\therefore \] Total time taken \[=(5+3)=8\text{ h}\]You need to login to perform this action.
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