Sachin can cover a distance in 1hr 24min by covering 2/3 of the distance at 4 kmph
and the rest at 5kmph.the total distance is?
5km
6km
7km
8km
Explanation:
Distance = 2/3S
distance=1-2/3S=1/3S
21/15 hr=2/3 S/4 + 1/3s /5
84=14/3S * 3
S= 6km
Distance = 2/3S
distance=1-2/3S=1/3S
21/15 hr=2/3 S/4 + 1/3s /5
84=14/3S * 3
S= 6km