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NTSE Sample Paper NTSE MAT Practice Test-17

  • question_answer
    In a group of cows and hens, the number of legs are 14 more than twice the number heads. The number of cows is

    A) 5            

    B) 7

    C) 10           

    D) 12

    Correct Answer: B

    Solution :

    Let there be x cows and y hens. Number of legs in the group = 4x + 2y Number of heads in the group = x + y \[\therefore \] 4x + 2y = 2(x + y) + 14 or x = 7 \[\therefore \] Number of cows = 7


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