If you dip a magnet into bowls with iron filings, most of the iron filings get attracted to the ends of the magnet.

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Solution

If you dip a magnet into bowls with iron filings, most of the iron fillings get attracted to the ends of the magnet because the magnet has the highest magnetic strength at its ends.
Since magnetic strength at poles is greater than at any other part, it attracts more and more iron fillings towards itself.

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