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

    Question

    14 man can make a wall in 3 days. How many men

    required to complete the same work in 7 days ?
    A 16 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Given, M1 = 14, D1 = 3, M2 = ? and D2 = 7
    From M1D1 = M2D2
    ⇒ 14 x 3 = M2 x 7
    ⇒ M2 = (14 x 3)/7
    ∴ M2 = 6

    Practice Next