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  5. Pair of Linear Equations in Two Variables

10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank Linear Equation in two Variables

  • question_answer
    Ramesh has some cows and some parrots in his shed. The total number of legs is 130 and the total number of heads is 40. Find the number of cows in his shed.

    A)  35                               

    B)  15           

    C)  25    

    D)  40

    Correct Answer: C

    Solution :

    (c): Let no. of cows = x (has 4 legs ; one head) Let no. of Parrots = y (has 2 legs; one head) \[\therefore 4x+2y=130\]; Also, \[x+y=40\] Now, solve for x                        


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