arithmetic

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a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and flower sinks 10 cm far from its original point, what is the depth of lake at the point where the flower was floating

  • arithmetic (incomplete) -

    Does the flower sink to the bottom of the lake? If so,

    5.5 - 10 = ?

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