exam Maths Puzzle Numerical Ability

The sum of the base and height of a triangle is 25 cm. What is the maximum area of the triangle?

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exam Other Question

A 18-FOOT LADDER IS LEANED AGAINST A WALL. IF THE BASE OF THE LADDER IS 7 FEET FROM THE WALL . hOW HIGH ON THE WAL WILL THE LADDER REACH? write the simplest polynomial equation that has roots 1 - 2i and -3. Express the equation using integral coefficients.