New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    12 man can make a wall in 6 days. How many men

    required to complete the same work in 3 days ?
    A 23 Correct Answer Incorrect Answer
    B 24 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 21 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Given, M1 = 12 D1 = 6, M2 = ? and D2 = 3
    From M1D1 = M2D2
    ⇒ 12 x 6 = M2 x 3
    ⇒ M2 = (12 x 6)/3
    ∴ M2 = 24

    Practice Next