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Maths Puzzle
Numerical Ability
91+24q+ -27q
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For what positive number is the square root of the number the same as the number divided by 40?
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A machine that originally cost $15,600 has a value of $7500at the end of 3 years. The same machine has a value of $2800 at the end of 8 years.
a.) Find the average rate of chang