Problem 2 · 2015 Math Kangaroo
Easy
Spatial & Visual Reasoning
spatial-reasoningtransformations
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Answer: C
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Hint 1 of 2
On the real umbrella the eight letters of KANGAROO appear in one fixed cyclic order around the rim.
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Hint 2 of 2
Pick the front letter of each pictured umbrella and read the neighbours left and right; the order around the rim must always match KANGAROO (just rotated).
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Approach: check the cyclic order of letters around each umbrella
- Around the rim the letters always follow the same circular sequence K-A-N-G-A-R-O-O (the umbrella can only be turned, not rearranged).
- Four of the pictures show that exact cyclic order, just rotated to a different front panel.
- Picture C has the letters in an order that cannot be obtained by turning the umbrella, so it is the one that does not show the umbrella.
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