Open the box that is labeled "Apples and Oranges".You know that since none of the labels are correct, the box must either contain only apples, or only orangesSuppose, that you remove an apple from that box. Therefore, that box is the "Apples Only" box.One of the two remaining boxes must be the "Oranges Only" box. However, one of them is labeled "Apples Only", and the other is labeled "Oranges Only". Therefore, the one labeled "Apples Only" is the box that contains only oranges, and the box labeled "Oranges Only" is the box that has both kinds of fruit.
So ans is b