book Maths Puzzle Numerical Ability

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The sum of two numbers is 4, and their product is -32. Find the numbers.

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Rational Expression

(x2 * x+2) / x
__ ___ __
5 2 30

(-18x^2)
________
(x+2)
Linear Inequalities
The school board is investigating ways to hire a faculty for the summer school program. They can hire teachers and aids. A minimum of 20 faculty members is ne