Brain Teasers
Mad Ade's Taxi
Mad Ade rents a private car for a Kebabville-Dopeytown-Kebabville trip. It costs him 300 Madadian Wonks every day.
One day the car driver informed Mad Ade that there were two students from Sillychester who wished to go from Sillychester to Dopeytown and back to Sillychester. Sillychester is halfway between Kebabville and Dopeytown. Mad Ade asked the driver to let the students travel with him.
On the first day when they came, Mad Ade said, "If you tell me the mathematically correct price you should pay individually for your portion of the trip, I will let you travel for free."
How much should the individual student pay for their journey?
One day the car driver informed Mad Ade that there were two students from Sillychester who wished to go from Sillychester to Dopeytown and back to Sillychester. Sillychester is halfway between Kebabville and Dopeytown. Mad Ade asked the driver to let the students travel with him.
On the first day when they came, Mad Ade said, "If you tell me the mathematically correct price you should pay individually for your portion of the trip, I will let you travel for free."
How much should the individual student pay for their journey?
Answer
The individual student should pay 50 Wonks for their journey.Note that 3 persons are travelling between Sillychester and Dopeytown.
The entire trip costs 300 Wonks to Mad Ade. Hence, half of the trip costs 150 Wonks.
For Kebabville-Sillychester-Kebabville, only one person i.e. Mad Ade is travelling. Hence, he would pay 150 Wonks.
For Sillychester-Dopeytown-Sillychester, three persons i.e Mad Ade and two students, are travelling. Hence, each student would pay 50 Wonks.
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