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A wooden bookshelf has external dimensions …

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A wooden bookshelf has external dimensions as follows :h=110cm,depth=25cm,b=25cm.the thickness of the plank is 5cm everywhere.the external faces are to be polished and inner faces are to be painted .lf the rate of polishing is 20paise per cm² and the rate of painting is 10paise per cm²,find the total expenses required for polishing and painting the surface of the book shelf

    • Posted by Souvik Dholey 6 years, 9 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Anjali Prasad 6 years, 9 months ago

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