9th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    If x% of y is 100 and y% of z is 200, then find the relation x and z.

    A) Z = X                  

    B)        2Z = X

    C) Z = 2X     

    D)       Z = 3X

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. \[\operatorname{lt} is, y % of z = 2 \left( x% of y \right)\] \[\Rightarrow \,\,yz/100=2xy/100\] \[\Rightarrow \,\,z=2x\]         


You need to login to perform this action.
You will be redirected in 3 sec spinner