A number consists of 2 digits whose sum is 4. If 18 is added to the nu – McqOptions

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1.	A number consists of 2 digits whose sum is 4. If 18 is added to the number, the digits get interchanged. Then the number is
A.	31
B.	22
C.	13
D.	none of these
Answer» D. none of these

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