A) 2
B) 1
C) 3
D) 1.5
Correct Answer: A
Solution :
Since, man walks at \[\frac{2}{3}\]of usual speed, time taken will be \[\frac{3}{2}\]usual time. \[\therefore \] \[\frac{3}{2}\]of usual time = usual time + 1 h \[\Rightarrow \] \[\left( \frac{3}{2}-1 \right)\]of usual time = 1 \[\therefore \] Usual time = 2 hYou need to login to perform this action.
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