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    Question

    At a farm, the number of heads and legs of chickens and

    cows was counted, and it was found that there were 40 heads and 120 legs. Find the number of chickens on the farm.
    A 20 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    Given - Head = 40 Leg = 120 As we know – four legs of a cow and two legs of a chicken. Let  total head have 4egs =40×4= 160 max leg = 160-120= 40 chickens in park =40/2= 20 now cows= 40-20= 20.

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