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SSC Sample Paper SSC (Group-C) Sample Test Paper-2

  • question_answer
    If 10 men or 20 women or 40 children can do a piece of work in 7 months, then 5 men, 5 women and 5 children together can do half of the work in:

    A)  6 months

    B)  4 months  

    C)  5 months

    D)  8 months

    Correct Answer: B

    Solution :

     10 men = 20 women 1 man = 2 women = 5 children 1 woman = 2 children \[\therefore \] 5 men + 5 women + 5 children = 20 + 10 + 5 = 35 children \[\therefore \,\,{{M}_{1}}{{D}_{1}}={{M}_{2}}{{D}_{2}}\] \[\Rightarrow \,\,40\times 7=35\times {{D}_{2}}\] \[\Rightarrow \,\,{{D}_{2}}=\frac{40\times 7}{35}=8\]months Required time = 4 months.


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