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A manufacturer of small cloth purchases cloth pieces measuring 26.25m x 1.4m .How many such pieces of cloth are required to make 3600 handkerchiefs of the largest size?

This week our wiki project is to improve some of the trigonometry pages on the site. Thanks to your contributions from previous wiki weekend parties, we have collectively made hundreds ...

Solomon Golomb’s self-describing sequence \(f(1), f(2), f(3), . . . \) is the only non-decreasing sequence of positive integers with the property that it contains exactly f(k) occurrences of ...

Find the number of Fibonacci numbers \(F_i\) such that \[1234567890 \le F_i \le 9876543210\].

Given that \(P(x)\) is a monic fifth degree polynomial such that ...

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