exam Maths Puzzle Numerical Ability

sum of the digits of a two no. is 9 the no. obtained by interchanging the digits exceed the given no. by 27 find the given no.

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exam Other Question
state the parent function and transformations in a graph y=abs(-x+2) add or subtract. Factor and simplify

1 - x-5 over
x^2-25 - x^2-4x-5