exam Maths Puzzle Numerical Ability

A) How many 5 digit zip codes are possible? Assume all digits can be used
B) How many additional zip codes do we get by attaching an additional 4 digits? (Assume all digits can be

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exam Other Question

For each point in a set of points, its distance from (3,4) is four times its distance from (-5,2). Find the equation and determine what conic section the graph will be. questions----- Evaluate 2x-3y when x=-5 and y=-4 ?