Answer:
Number of apple in basket = 2
Number of banana in basket = 5
After that, some additional apples and bananas were added in basket.
and the ratio of number of apple and banana becomes [tex]\frac{1}{2}[/tex]
It means that the number of banana is just double the number of apples.
This can be possible in many ways.
One of the possible ways is 1 apple is added in basket
and 1 banana is added in basket.
So, total number of apple in basket = 3
and total number of banana in basket = 6
Thus, ratio will become [tex]\frac{3}{6} = \frac{1}{2}[/tex].
Hence, one apple will be added in basket.