mind-bending math

The controversial question: Who is the tallest among a group of four friends?

VTC News

09/05/2026

Brain-teasing math puzzle: Which is heavier, 1 kg of cotton or 1 kg of iron?

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25/02/2026

Don't rush to use your calculator; solving this problem correctly will make you a 'master'.

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20/02/2026

Einstein's legendary riddle would stump even a prodigy.

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29/08/2024