exam
Maths Puzzle
Numerical Ability
An airplane flew for 6 hrs w/ a 22-km/h tail wind.THe return flight against the same wind took 8 hrs.Find the speed of the plane in still air.
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peter started driving at 4:50 and is driving at an average speed of 30 mi/hr. dina is driving at an average of 40 mi/ hr. and she started driving at 5:20 if they both started driving from the same point, after how many hours would the meet?