After starting from the ATM, Mayur walked a few meters towards the south. Then he took a left turn and walked 15 m and then took a right turn and walked 20 m. Finally, he took a left turn again and walked 10 m to reach his home. The shortest distance (air distance) between the ATM and his home is 65 m.
How far did Mayur walk towards the south initially from the ATM?
1
40 m
2
70 m
3
20 m
4
55 m