Show that the set of letters needed to spell “CATARACT” and the se – InterviewSolution

1.

Show that the set of letters needed to spell “CATARACT” and the set of letters needed to spell “TRACT” are equal.

Answer»

For “CATRACTR”

Letters in word are

{C, A, T, R} ={A, C, R, T}

For “TRACT”

Letters in word are

{T, R, A, C} = {A, C, R, T}

As we see letters need to spell cataract is equal to set of letters need to spell tract.

Hence Proved.

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