You have 20 buckets of blocks, a knife, and a weighing scale. Each bucket has 100 blocks. 19 of the buckets have blocks that weigh 16oz each, and one bucket has blocks that weigh 17oz each. How do you figure out which bucket has the 17oz blocks by weighing only once?
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61 Days From Today
King Octopus and Servants
King Octopus has servants with six, seven, or eight legs. The servants with seven legs always lie, but the servants with either six or eight legs always say the truth.
One day, 4 servants met:
The blue one says: “Altogether we have 28 legs”;
The green one says: “Altogether we have 27 legs”;
The yellow one says: “Altogether we have 26 legs”;
The red one says: “Altogether we have 25 legs”.
What is the colour of the servant that is speaking the truth?
Riddle Answer6 Litres of Water
You are going to mix up some concrete, and in order to get it just right you need exactly 6 litres. But you only have a 4-litre and a 9-litre bucket.
How could you measure exactly 6 litres of water using only those buckets? You have an unlimited supply of water.
Riddle Answer8 Balls Weighing Problem
You are given 8 identical looking balls. One of them is heavier than the rest of the 7 (all the others weigh exactly the same). You are provided with a simple mechanical balance scale. How can you find the heavier ball by using the scale only twice?
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