Incorrect
Explanation
The watermelon is 99 pounds water and 1 pound other stuff. After a few hours, 98% of its weight is water, so the total weight is 50 pounds. 50 pounds - 1 pound other stuff = 49 pounds water. So 99 pounds - 49 pounds = 50 pounds water lost.
Solve this puzzle
Diana is sixteen years old, and she is four times older than her younger brother. How old will the girl be when she is two times older than her younger brother?
28 26 25 24