B is ranked 5th from the bottom in a group of 25 people. If B swaps places with the person ranked 10th from the top, what will be B's new rank from the top?
Answer: B. 11th
B is 5th from the bottom in a group of 25, which means B is 21st from the top. After swapping with the 10th ranked person from the top, B will be 11th from the top.