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Posts tagged with maths puzzle

Try your skills with the Tower of Hanoi

July20
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Logic Puzzle

March31

Which direction is this bus travelling? Note: your answer may depend on which country you live in!

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Power Functions..the Tsar meets a smart Peasant

March16

The Russian Revolution has not been kind to Peasant Peter. However, he has taken advantage of moves by their leader, Tsar Alex, to make Mathematics and Science popular, and enrols in a Mathematics course. Fortunately, he bumps into the Tsar one day as they both head across the snow-filled campus. The Tsar takes a moment […]

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Find the Value of X (diagram not to scale)

February2

No suggested solutions yet!

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Puzzle Time!

January29
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Die Hard Challenge (from Maths Digest) – Help Zeus and John get 4 gallons of water!

October25

The Script. Simon>¬†On the fountain, there should be 2 jugs, do you see them? A 5 gallon and a 3 gallon. Fill one of the jug with exactly 4 gallons of water and place it on the scale and the timer will stop. You must be precise, one ounce of more or less will result […]

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Post Support

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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