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How many triangles can you find of any size in this diagram?
[Ref: ZMFK]
Hint:
Answer: There are 47 triangles.
Puzzle 623
The local River Trent is 4,100 inches wide, which happens to be a fantastic number.
There is a magnificent, perfectly straight, bridge which spans the river at right angles.
During a recent survey of the area it was found that one seventh of the overall length of the bridge was on one bank of the river, and one eighth of the bridge was on the other bank.
What is the total length of the bridge that spans the River Trent?
Hint: What fraction of the length of the bridge in on the banks?
Answer: 5,600 inches.
We know that 1÷7 + 1÷8 of the total length is on the banks of the river, and 1÷7 + 1÷8 = 15÷56.
So the river width (4,100 inches) is the remaining 41÷56 of the bridge.
Therefore:
41÷56 x length = 4100
So:
length = 4100 x 56÷41
length = 5600
As required.
Puzzle 624
Can you tell what this rebus is?
G G E
G E G
E G G
[Ref: ZZNL]
Hint: Say what you see.
Answer: Scrambled eggs.
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