Multiple Choice Questions on In a farm there are cows and hens If heads are counted there are 180 if legs are counted there are 4........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In a farm there are cows and hens If heads are counted there are 180 if legs are counted there are 4...........

Quantitative Aptitude ( CCS) Simplification
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    In a farm there are cows and hens. If heads are counted there are 180, if legs are counted there are 420. The number of cows in the farm is ?

    130

    Incorrect Answer

    50

    Incorrect Answer

    150

    Incorrect Answer

    30

    Correct Answer
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    Explanation:

    according to question
    H+C=180...............(1)
    2H+4C=420................(2)
    solve the equation
    C=30

    By: MIRZA SADDAM HUSSAIN
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