Question 1 of 31

The figure below, not drawn to scale, show 3 triangles X, Y and Z overlapping one another. The area of triangle X is $\frac{1}{3}$ the area of triangle Y and the area of triangle Y is $\frac{2}{3}$ the area of triangle Z.
Express the unshaded are of triangle Y as a fraction of the unshaded area of triangle Z.

Question Image of The figure below, not drawn to scale, show 3 triangles X, Y and Z overlapping one another. The area of triangle  X is $\frac{1}{3}$ the  area of triangle Y and the area of triangle Y is  $\frac{2}{3}$ the area of triangle Z.  <br> Express the unshaded are of triangle Y as a fraction of the unshaded area of triangle Z.  .
A
$\frac{2}{5}$
B
$\frac{4}{7}$
C
$\frac{6}{9}$
D
$\frac{8}{11}$
E
None of the above