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    Question

    15 male employees or 20 female employees of a company can complete a project in 26 days. How long will 30 male employees and 12 female employees together take to complete the project?

    A 14 days Correct Answer Incorrect Answer
    B 10 days Correct Answer Incorrect Answer
    C 12 days Correct Answer Incorrect Answer
    D 8 days Correct Answer Incorrect Answer

    Solution

    15 males × 26 days = 20 females × 26 days ∵ 15 males = 20 females ∴ 30 males = 40 females Total work in terms of females = 20 females × 26 days = 520 units No of days taken by 30 males and 12 females: ⇒ (40 females + 12 females) = 52 females ∴ No of days taken = 520 units /52 females = 10 days

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