exam Maths Puzzle Numerical Ability

Solve without using a calculator. Express your answer in simplified radical form.
(x - 2)2 = 3

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exam Other Question

(x^4+7x^3+12x^2)/(x3+8x^2=15x) Toy blocks are used to build a tower. The surface area and volume of the tower built with these blocks is shown in the table below.

MODEL TOWER VALUES


NUMBER OF BLOCKS/