A collective farm was due to deliver its quota of grain to the state authorities. The management of the Kolkhoz decided the trucks should arrive in the city at exactly 11:00 A.M.
If the trucks traveled at 30 miles per hour they would reach the city at ten, an hour early; at 20 miles an hour they would arrive at noon, an hour late.
How far is the Kolkhoz from the city, and how fast should the trucks travel to arrive at 11:00 A.M.? Riddle Answer
You are given two candles of equal size, which can burn 1 hour each. You have to measure 90 minutes with these candles.
There is no scale or clock. You are also given a lighter. How do you do it? Riddle Answer
Can 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
What is two days after the day after the day before yesterday? Riddle Answer
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead. What am I? Riddle Answer