exam Maths Puzzle Numerical Ability

A mississippi riverboat can travel 30km downstream in 3 hours and make the return trip in 5 hours. Find the speed of the boat in still water.

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exam Other Question

decompose into a partial fraction

2x+3+x^2-3x+5/x^2-2x-3 To Whomever can assist, Thank You!

If the total surface area of a right circular cylinder is 104PIE square meters and a radius of the base is 4 meters long, find the height of the cylinder.