8th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    X can do a piece of work in 24 days, while Y alone can do it in 16 days. With the help of Z they finish the work in 8 days. Find in how many days Z can do the work alone?

    A) 48 days   

    B) 36 days

    C) 24 days                 

    D) 12 days

    Correct Answer: A

    Solution :

    \[{{w}_{2}}\] \[52=A-P\] \[{{d}_{2}}\] \[52+P=A\] Z can do the work in 48 days.         


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