exam Maths Puzzle Numerical Ability

During a certain period of time, a speedometer of car reads a constant 75 km/hr. Does this indicate a constant speed? A constant velocity?

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exam Other Question

The second angle of a triangle is 4 times as large as the first. The third angle is 45 degrees less than the sum of the other two angles. Find the measurment of each angle. what is the solution to (b-15)