A man can cover a certain distance in 2 hours 41 minutes if he walks at the speed of 4 km/h. if he covers same distance on cycle at the rate of 23 km/h. then the time taken by him. in minutes?
a) 30 min.
b) 28 min
c) 26 min
d) 32 min
Sol:
Total distance = 4 × 161