exam Maths Puzzle Numerical Ability

Find the two real numbers whose sum is 18 and whose product is a minimum.

The perimeter of a rectangular ranch is 400 m. Find the dimensions of the ranch that will contain the g

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Researchers marked and released 36 pike in a pond. Later they counted 20 pike, 12 of which were marked. Estimate the pike population. Thanks Divide



(X^2-3X+2)/ (8x-8) ÷ (X^2-4)/ (5x+10)