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Let unit digit be x and ten's digit be y. Original number = x+10y Reversing the digits, new number = 10x+y 
Also, x + y = 9(eq2) Add eq1 and eq2 = 2x = 4, or x = 2 Substitute in eq2 = 2 + y = 9, or y = 7 Hence, Original number = 72
Select the option in which the given figure is embedded.
From the given answer figures, select the one in which the question figure is hidden / embedded(rotation is not allowed).
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
Select the option figure which is embedded in the given figure. (Rotation is NOT allowed)
Select the option in which the given figure is embedded (rotation is not allowed).
From the given answer figures, select the one in which the question figure is hidden/ embedded.
Find out the alternative figure which contains the given figure as its part.
