exam Maths Puzzle Numerical Ability

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7. IF THE SQUARE ROOT OF N IS AN INTEGER WHAT IS N (13 LETTERS LONG)
11) EVERY POSITIVE # HAS ONE OF THESE (8 LETTERS LONG)

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exam Other Question

Find the length X. Express your answer in simplified radical form.

I am going to try to draw the triangle:

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- - What is the general rule on whether a decimal terminates or repeats?