7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer 66) The recommended quantity of water for use person per day according to United Nation recommendation is A\[\times \]10 Liters where A is

    A) 1                                 

    B) 3

    C) 5                     

    D) 7

    Correct Answer: C

    Solution :

    It is 50 liters (i.e. 5\[\times \]10).         

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