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Choose or find odd number pair

(13 - 31) , (45 - 54) , (16 - 61) , (71 -88)

Option:
A. 13 - 31
B. 45 - 54
C. 16 - 61
D. 71 -88
Answer: A . 71 - 88

Justification: In all other pairs, the second number is obtained by interchanging the digits of the first.

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