Problem 11 · 2023 Math Kangaroo
Medium
Spatial & Visual Reasoning
path-tracingspatial-reasoning
The diagram shows four cars 1, 2, 3 and 4. The arrows show where the cars move to in 5 seconds. Which cars will crash into each other?
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Answer: D — 2 and 3
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Hint 1 of 2
Follow each arrow with your finger to the spot where that car ends up.
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Hint 2 of 2
Two cars crash only if their two arrows point to the very same spot.
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Approach: trace each arrow to its end spot and find the two that land on the same place
- Trace where each arrow takes its car over the five seconds.
- The arrows for car 2 and car 3 both point to the same crossing spot.
- Since they arrive at the same place, the crashing pair is 2 and 3.
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