6th Class Mathematics Related to Competitive Exam Question Bank Time and Work

  • question_answer
    If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?

    A) 20                   

    B)          24

    C) 25                   

    D)          27

    Correct Answer: B

    Solution :

        If 20 men can complete the job in 30 days, then the work measured in terms of man-days is \[20\times 30=600\] If this work is to be done by 25 men, then the number of days they will take is 600/25 = 24


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