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Maths Puzzle
Numerical Ability
[(k-7)/5]+2=(k-8)/10
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Solution A is 12% acid and Solution B is 4% acid. If a technician wants to mix them to make 60 liters of Solution C which is 10% acid, how many liters of each should be mixed toget
In one of the early rocket experiments on The Planet of the Apes, a banana was launched straight upward so that its height in feet above the ground after t seconds was given by the function h= -42t^2+504t. When did the banana hit the ground?