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Maths Puzzle
Numerical Ability
There are 18 animals in the barnyard. Some are chickens and some are cows. I counted 50 legs in all. How many of the animals are chickens and how many are cows?
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A line is tangent to the circle whose equation is x^+y^+6x-6y-2=0 at the point (1,5). Find the Slope-intercept form of the tangent line.
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If 4 workers can paint 5 trucks 1 hour, how many will be needed to paint 200 trucks in 8 hours?
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