Brain Challenge

Week 455 (7th August 2026) 

Week 455 (7th August 2026) 

Olivia is at a family BBQ with some of her cousins.  

Olivia is 12 years younger than Ethan. 

Jacob is one quarter of Ethan’s age. 

Grace is three times Jacob’s age. 

Olivia is 24 years old. 

What are the ages of Ethan, Jacob and Grace? 

Answer: 

Ethan’s age = 24 + 12 = 36 

Jacob’s age = 36/4 = 9 

Grace’s age = 9 x 3 = 27 

Answer: Ethan = 36 years old, Jacob = 9 years old, Grace = 27 years old 

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