exam Maths Puzzle Numerical Ability

Find the solutions to the equation: x-5/x=4

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exam Other Question

A) If 2 dice are thrown, find the probability that the numbers shown will be different.
B) If 3 dice are thrown, find the probability that the numbers shown will all be different. For what value(s) of k the lines y=(k+1)x-3 and (2k-1)x+1 are parallel and are perpendicular?