x % of y is z, then z % of y is

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27 Sep 2021 percentage

x % of y is z, then z % of y is

OPtion

1) (x^2)/y
2) x/y
3) y/(z^2)
4) (z^2)/x
5) (y^2)/x
6) x/(y^2)
7) z/(x^2)
8) x/(z^2)
9) z/y
10) none of these

Solution

x % of y is z,
y*x/100 = z ; y /100 = z/x

z% of y = y*z/100 = z*y/100 = z*z/x = (z^2)/x .. option 4

Correct Option: 4 Best Solution (3)