exam Maths Puzzle Numerical Ability

This question is confusing me. Please help.

x - 3y is less than or equal to 0

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exam Other Question

Find the greatest two consecutive even integers whose sum is less than 180. A wire is in the form of a circle of radius 14cm. If the wire is bent into the shape of a square, find
(a) the perimeter of the square,
(b) the area of the square.
[[ Take pi to be 3.14]]