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Maths Puzzle
Numerical Ability
q/5+13=21
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h=192+64t-16t^2 tells the height in feet of a stone t seconds after it is thrown from the top of the building.
a.) what is the height of the stone after three seconds?
b.) At wha
It takes Tom 4 hours to buid a fence. If he hires Jack to help him, together they can do the job in just 3 hours. If Jack built the same fence alone, how long would it take him?