Problem 6 · 2021 Math Kangaroo
Medium
Logic & Word Problems
work-backward
The pink tower is taller than the red tower but shorter than the green tower. The silver tower is taller than the green tower. Which tower is the tallest?
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Answer: D — silver tower
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Hint 1 of 3
Line the towers up from shortest to tallest using the clues.
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Hint 2 of 3
Green is taller than pink and red; now see how silver compares to green.
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Hint 3 of 3
Whoever is taller than green must be the tallest of all.
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Approach: order the towers by height
- The first clues say red is shortest, then pink, then green is taller than both.
- The last clue says silver is taller than green, so silver beats green and everyone below it.
- The tallest is the silver tower.
Mark:
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