Mary was working in a chemistry lab with...

Riddle: Mary was working in a chemistry lab with a mixture of chemicals that was 90% water and weighed 20 pounds. After returning to the lab from a weekend break, she calculated the mixture was now 50% water. How much does the mixture now weigh? For purposes of this puzzle, assume the non-water part of the mixture was not affected by evaporation.

Answer: 12 Pounds

Rating: 100%

Related Riddles

Last Updated: Thursday, April 3, 2025
WordConnect
WordConnect
Classic Word Puzzles
by AppGeneration Software
Word Search Nature
Classic Word Puzzles
by AppGeneration Software

Riddle of the Day

What loses its head in the morning and gets it back at night?