The difference between a two digit number and the number obtained by interchanging the two digits of the number is 9

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Q 1584512457.     The difference between a two digit
number and the number obtained by
interchanging the two digits of the
number is 9 . If the sum of the two
digits of the number is 15, then what
is the original number?
A

89

B

77

C

87`

D

Cannot be determined

E

None of these

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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