5-digit Number Puzzle

5-digit Number Puzzle - SolutionThe Puzzle:5-digit NumberWhat 5-digit number has the following features:If we put the numeral 1 at the beginning, we get a number three times smaller than if we put the numeral 1 at the end of the number.Our Solution:We can make an equation:3(100000 + x) = 10x+1(Why? Well, adding 100000 puts a 1 at the front of a five-digit...

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And Mint Sauce Puzzle

And Mint Sauce Puzzle - SolutionThe Puzzle:And Mint SauceSix wolves catch six lambs in six minutes.How many wolves will be needed to catch sixty lambs in sixty minutes?No, the answer is not sixty. Try again!Our Solution:I should also have said that the answer was not 10 either! That is a popular answer, but I'm afraid it is not correct. The right...

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How long will it take to fill the pool using all 4 taps at once

How long will it take to fill the pool using all 4 taps at once?Our Solution:First, work out how much of the pool gets filled by each tap in one hour.The first tap takes 48 hours to fill the pool, so in one hour it fills 1/48 of the poolThe second tap 1/72The third tap 1/96And the fourth tap fills 1/6 of the poolWe need to add all those fractions...

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Measuring Just 1 Liter Puzzle

Measuring Just 1 Liter Puzzle - Solution The Puzzle: Measuring Just 1 Liter Imagine having three bowls, with the following capacities: In bowl A (8 liters capacity) are 5 liters of water. In bowl B (5 liters capacity) are 3 liters of water. In bowl C (3 liters capacity) are 2 liters of water. Can you measure exactly 1 liter, pouring only 2 times? Our...

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Measuring 7 Liters Puzzle - Solution

The Puzzle: Jack and Jill did not have much success when they went up the hill to fetch a pail of water from the well. However, once they had both tumbled down the other side they found...

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