both will take the same duration considering both flights are roundtrip. Given that the winds will be constant throughout the roundtrip, the effect of the winds will cancel out because the plane will be affected by these winds twice: going with the wind and against the wind.
snail 1. Suppose it takes 10 minutes to go from the floor to the ceiling. It would take 20 minutes to go up and down in total. The second snail takes 5 minutes to go up, but 20 to go down, so 25 in total.
There is no apartheid in Israel. It is a democratic country with complete social and political equality of rights for all its citizens, regardless of religion, race and gender
