Multiple Choice Questions on A boy and a girl together fill a cistern with water The boy pours 3ltr of water in every 2minutes an........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A boy and a girl together fill a cistern with water The boy pours 3ltr of water in every 2minutes an...........

Quantitative Aptitude ( CCS) Pipes&cistern
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    A boy and a girl together fill a cistern with water. The boy pours 3ltr of water in every 2minutes and the girl pours 2ltr of water in every 3minutes. How much time will it take to fill 91ltr of water in the cistern? 

    36 min

    Incorrect Answer

    42 min

    Correct Answer

    48 min

    Incorrect Answer

    44 min

    Incorrect Answer
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    Explanation:

    Solution:
    boy 2min = 3ltr
    girl 3min = 2ltr
    make time same
    6 min………..13 ltr
    *7…………….*7
     42min………91ltr

    By: Pranav Gupta
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