Wait A Minute!

Riddle: If an electric train is moving north at 55 mph and the winds blowing east at 70 mph, which way does the smoke blow?

Answer: An electric train doesn’t emit smoke.

Source: https://www.riddles.com/index.php/10585

If an electric train is moving north at 55 mph and the winds blowing east at 70 mph, which way does the smoke blow? — Wait a minute! by kanish v1.

Riddle: If an electric train is moving north at 55 mph and the winds blowing east at 70 mph, which way does the smoke blow? Answer: An electric train doesn’t emit smoke. — by kanish v2.