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Test # 43


1.
Find out the wrong number : 2, 2, 4, 6, 15, 45, 157.5

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Idiom of the Day

a rule of thumb
a basic or accepted pattern or rule
It is a rule of thumb in the fire department that nobody goes into a burning building by themselves.
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  • Myth About Animal

    Rhino horns are not made of bone but of keratin

    Rhino horns are made of Keratin, the same material found in your hair and fingernailsA rhinos horn is not attached to its skull It is actually a compacted mass of hairs that continues to grow throughout the animals lifetime, just like our own hair and nails.


    Chourishi Systems