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Maths Puzzle
Numerical Ability
solve for x: 2x^2=13x+7
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book Other Question
One boy has 5 times as many marbles as a second boy. If the first boy was to give 18 marbles to the second boy, each would have the same number. How many marbles has each?
Fixed operating costs at a ball bearing plant is $2000 per day. Each worker created $500 worth of ball bearings in a day, but costs the company $300 per day in wages and benefit.