book Maths Puzzle Numerical Ability

Consecutive integers.
I need to find three consecutive integers such that the sum of their squares is 77.

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book Other Question

What is the equation of a circle with center (0,1) and a radius 2 units?

Thanks Hello, I need help on this problem and I would really appreciate it if someone helps me out... The problem is this...

John weighs twice as much as each of his twin brothers. If