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I know a two digit number, but when its ...

I know a two digit number, but when its digits swap their places and we get another two digit number But when these two digit numbers are added, it amounts to 99. Further if I just consider the difference between these numbers, it comes out to be 45. What is the number which I know?

A

27

B

38

C

72

D

data insufficient.

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Verified by Experts

The correct Answer is:
D
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