Vishnu brought a magnet near 3 pins made up of different materials. Pins Y and Z get attracted whereas pin X remains in its place as shown below.
What are the pins X, Y, and Z made up of?
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Solution
The pin X does not get attracted to the magnet. Hence, it is made of a non-magnetic material. It could be made of copper, aluminum or brass. Pins Y and Z get attracted to the magnet. Hence, they are made of magnetic materials. They could be made of iron, steel, nickel, cobalt etc. Out of the given options, X should be copper, Y should be iron, and Z should be steel.