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m/contest/quiz raghu_pre_assessment_test/60615/33552455295169145
O days 1 hr
15
Reasoning Ability raghu 15
Ver

By Emma

m/contest/quiz raghu_pre_assessment_test/60615/33552455295169145
O days 1 hr
15
Reasoning Ability raghu 15
Verbal Ability raghu 16
Q- 11.
Question Type: Multiple Choice Question
A can do a piece of work in 10 days, and B can do the same work in 20 days. With the help of C, they
finished the work in 4 days. C can do the work in how many days, working alone?​

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1 thought on “m/contest/quiz raghu_pre_assessment_test/60615/33552455295169145<br />O days 1 hr<br />15<br />Reasoning Ability raghu 15<br />Ver”

  1. Answer:

    10 days

    Step-by-step explanation:

    Amount of work A can do in 1 day = 1/10

    Amount of work B can do in 1 day = 1/20

    Amount of work C can do in 1 day = 1/x [Let’s Say]

    Then, 1/10 + 1/20 + 1/x = 1/4

    2/20 + 1/20 + 1/x = 5/20

    3/20 + 1/x = 5/20

    1/x = 2/20 = 1/10

    x = 10

    So, C can complete the work in 10 days alone.

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