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SSC Quantitative Aptitude Time And Work Question Bank Work and Time (II)

  • question_answer
    P can do 1/4th of work in 10 days, Q can do 40% of work in 40 days and R can do 1/3rd of work in 13 days. Who will complete the work first? [SSC CGL Tier II, 2017]

    A) P

    B) Q

    C) R

    D) Both P and R

    Correct Answer: C

    Solution :

    [c] Given, time taken to complete the 1/4 work by P = 10 days \[\therefore \]Time taken to complete 1 work by \[P=\frac{10}{1/4}=40\]days Time taken to complete the \[\frac{40}{100}\] work by\[Q=\frac{40}{100}=100\]days \[\therefore \]Time taken to complete 1 work by  \[Q=\frac{40}{40/100}=100\]days Time taken to complete the 1/3 work by R = 13 days Time taken to complete 1 work by \[R=\frac{13}{1/3}=39\]days It is clear from above that R will complete the work first.


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