Question 19
A strong southerly wind is blowing. An aircraft flies from Amsterdam to Paris at 700 km/h in 36 minutes. Another aircraft flies from Paris to Amsterdam at 900 km/h. How long does that flight take?
Editorial interpretation: The stated 700 and 900 km/h are speeds along the route relative to the ground; the wind does not require an extra unknown correction.
Editorial interpretation: The stated 700 and 900 km/h are speeds along the route relative to the ground; the wind does not require an extra unknown correction.