SOLUTION: A brother and a sister, Peter and Fiona, are always thinking about numbers.
On his birthday, Peter said "My age is a square number."
His older sister Fiona said, "That's right, b
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-> SOLUTION: A brother and a sister, Peter and Fiona, are always thinking about numbers.
On his birthday, Peter said "My age is a square number."
His older sister Fiona said, "That's right, b
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Question 831899: A brother and a sister, Peter and Fiona, are always thinking about numbers.
On his birthday, Peter said "My age is a square number."
His older sister Fiona said, "That's right, but the sum of our ages and the differemce of our ages also give squared numbers.
Peter replied "In 3 years time, both our ages will be prime numbers."
Fiona said "3 years ago, our ages were also prime numbers."
What are the ages of Peter and Fiona now?
