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Maths Puzzle
Numerical Ability
ge=3y gh=7y - 4 and eh=24
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An automobile travels 10km at a speed of 100kph, 40km at 80kph and a 3rd diatance at 50kph. If the average velocity for the trip is 70kph, what is the length of the 3rd distance travelled?
What is the vertex of the parabola
F(x)= 4x^2 + 40x - 5
Line of symmetry of this function
y=3x^2 - 36x + 115