4 travel a distance of 10 Yam and
come back in 24 hours. What
is my speed ?
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answer-Total distance covered= 10km + 10km = 20km
Time taken = 2\frac{1}{2}=\frac{5}{2}hours2
2
1
=
2
5
hours
Speed = \frac{Dis\tan ce}{Time}=\frac{20}{\frac{5}{2}}
Time
Distance
=
2
5
20
= \frac{20\times2}{5}
5
20×2
km/h =8km/h
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