1.

If x : y = 4 : 15 then the value of $$\left( {\frac{{x - y}}{{x + y}}} \right)$$is?

A. $\frac{{11}}{{19}}$$
B. $\frac{{19}}{{11}}$$
C. $\frac{4}{{11}}$$
D. $\frac{{15}}{{19}}$$
Answer» B. $\frac{{19}}{{11}}$$


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