A number consists of two digits. The sum of the digits is 9. If 45 is…
GATE · 2018 · ME · Set 1 · General Aptitude
A number consists of two digits. The sum of the digits is 9. If 45 is subtracted from the number, its digits are interchanged. What is the number?
- A.
63
- B.
72
- C.
81
- D.
90
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