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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-9

  • question_answer
    A can do a piece of work in 6 days, B in 10 days and C in 15 days. They jointly complete the work and earn Rs. 300. The sum of their wages for 2 days is

    A) Rs. 180                         

    B) Rs. 200

    C) Rs. 160                         

    D) Rs. 120

    Correct Answer: B

    Solution :

    (A + B + C)'s 1 day's work \[=\frac{1}{6}+\frac{1}{10}+\frac{1}{15}=\frac{5+3+2}{30}=\frac{1}{3}\] Hence, the work will be completed in 3 days. \[\therefore \] Their 2 days' wages = Rs. 200


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