Question

There are three bars - X, Y and Z hanging from a string. It is not known whether they are a magnet, a magnetic material or a non-magnetic materia.

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Raju takes a bar magnet near each of these bars, one by one.

- Bar X moved towards the magnet.

Bar Y moved away from the magnet.

Bar Z did not show any change in its position.

Which of them is/are SURELY magnet(s)?
1 )only X
2 )only Y
3 )only X or Z
4)only Y or Z
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Answer 1

Answer:

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