Two brother X and Y appeared for an exam. Let A be the event that X is selected

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Two brother X and Y appeared for an exam. Let A be the event that X is selected and B is the event that Y is selected.
The probability of A is $$\frac{{1}}{{7}}$$ and that of B is $$\frac{{2}}{{9}}$$. Find the probability that both of them are selected.

Options:

A . $$\frac{{1}}{{63}}$$

B . $$\frac{{2}}{{35}}$$

C . $$\frac{{2}}{{63}}$$

D . $$\frac{{9}}{{14}}$$

Answer: Option C

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