1.

If X is 90 % of Y, what percentage of X is Y?1. 902. 101.13. 111.14. 190

Answer» Correct Answer - Option 3 : 111.1

Given :

(X/Y) × 100 = 90

To find :

(Y/X) × 100

Calculation :

\(\frac{X}{Y} × 100 = 90\)

\( \Rightarrow X = \frac{9}{{10}}\;Y\)      -----(1)

Now,

\(\frac{Y}{X} × 100\)

Putting the value of X from (1)

\( = \;\frac{Y}{{\frac{{9Y}}{{10}}}} × \;100\)

= (10/9) × 100

= 1000/9

= 111.11

∴ Y is 111.11% of X



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