Two schoolgirls were traveling from the city to a dacha (summer cottage) on an electric train.
“I notice,” one of the girls said, “that the dacha trains coming in the opposite direction pass us every 5 minutes. What do you think-how many dacha trains arrive in the city in an hour, given equal speeds in both directions?”
“Twelve, of course,” the other girl answered, “because 60 divided by 5 equals 12.”
The first girl did not agree. What do you think?
Riddle AnswerA bottle and a cork together cost $1.10. The bottle costs $1.00 more than the cork. How much does the cork cost?
Riddle AnswerThere are 9 balls that are identical. Only one ball is heavier than the rest. You also have a two-armed scale with which to measure the weight of the balls. How can you find the heavier ball by using the scale only twice?
Riddle AnswerTwo men catch two fishes in 2 minutes. At this rate, how many men are needed to catch 500 fishes in 500 minutes?
Riddle AnswerCan you find a number which added to itself one or several times will give a total having the same digits as that number but differently arranged and after the sixth addition will give a total of all nines?
Riddle Answer