exam Maths Puzzle Numerical Ability

Science and Nutrition. Ariana took 2 hours longer to drive 360 miles on the first day of a trip than she tood to drive 270 miles on the second day. If her speed was the same on bo

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exam Other Question

Two cars leave town going opposite directions. One car is traveling 55 mph, and the other is traveling 65 mph How long will it take before they are 180 miles apart? Hint: The time if z1,z2,z3, are the vertices of equilateral triangle then show that
z1^2+z2^2+z3^2=z1*z2+z2*z3+z3*z1