Sign In | Starter Of The Day | Tablesmaster | Fun Maths | Maths Map | Topics | More

🔍 Search
Transum Software

Puzzle of the Month

Archive Home Puzzles About Podcast Subscribe

Calamity Cousins

Tuesday 1st August 2023

The average (mean) age of the four Calamity cousins is 20.

The average (mean) age of the two youngest cousins is 14.

The average (mean) age of the two cousins who each have both younger and older cousins is 18.

The second youngest is half the age of the oldest. What is the range of their ages?

Four Cousins

Solutions to the Puzzle of the Month are available to subscribers only.

For many more mathematical puzzles visit the Transum Puzzles page.

Transum.org is a proud supporter of the kidSAFE Seal Program