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  3. 9th Class
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  5. Linear Equations in Two Variables

9th Class Mathematics Linear Equations in Two Variables Question Bank Linear Equation in two Variables

  • question_answer
    Three consecutive numbers such that thrice the first, 4 times the second and twice the third together make 188. Find the least of the consecutive numbers is.

    A)  18                               

    B)  21

    C)  19                               

    D)  20

    Correct Answer: D

    Solution :

    (d): Let three consecutive numbers be \[x,x+1\]and \[x+2\] Hence, \[3x+4x+4+2x+4=188\] \[9x=180\] \[X=20\] Hence least number = 20


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