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8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE ? 1 Wood is required to make a closed box of external length 1.2 m, breadth 90 cm and height 72 cm. The thickness of the walls of the box being 2 cm throughout. The total cost of the wood at the rate of 20 paise per \[1440c{{m}^{2}}\] is

    A) 9864.40                      

    B) 1968440

    C) 19486.40                    

    D) 19846.40

    Correct Answer: D

    Solution :

    Cost of wood = 20 paise per \[1{{m}^{2}}=100d{{m}^{2}}\] \[1Litre=1d{{m}^{3}}=1000c{{m}^{3}}\] Total cost\[1{{m}^{2}}=10000c{{m}^{2}}\]


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