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8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    On a rainy day 60 mm of rain falls, find how many cubic metres of water falls on 3 hectares of ground on that day

    A)  28000 \[{{m}^{3}}\]              

    B)  16000 \[{{m}^{3}}\]        

    C)  18000 \[{{m}^{3}}\]              

    D)  1600 \[{{m}^{3}}\]

    Correct Answer: C

    Solution :

    (c): One hectare \[=10,000sq.\]m \[\therefore \]3ha = 30000 sq. m Quantities of cubes \[=30000\times \left( \frac{60}{100} \right){{m}^{3}}=18000{{m}^{3}}.\]       


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