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What number squared = 12345678987654321?

Answer: 111,111,111

More Difficult Riddles with answers

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More Difficult Riddles

What points the way without a hand. It floats on water but exists on land?
What relies on columns but isn't a house, and asks for help but can't speak itself?
What stays on the ground but never gets dirty?
What stays the same size no matter how much they weight?
What surrounds the world, yet dwells within a thimble?
What tastes better than it smells?
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
What tree that definitely grows does not have a shadow and does not grow fruit?
What turns everything around but does not move?
What turns from red to black as soon as it touches water?
What two things can always see what the other sees, but can never see each other?
What two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added?

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