Ravi travels to a place at a speed of 16 km/hr and returns with the speed of 6 km/hr. Find his average speed for the whole journey. (in km/hr)
1
\(10 {8 \over 11}\)
2
\(6 {8 \over 11}\)
3
\(9 {8 \over 11}\)
4
\(7{8 \over 11}\)
5
\(8 {8 \over 11}\)
\(8 {8 \over 11}\)