A mathematical operator @ means dividing a number by 2 and then subtra – McqOptions

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1.	A mathematical operator @ means dividing a number by 2 and then subtracting 2 from the result. If @(@(x)) = 13 then what is the sum of digits of x?
A.	1
B.	10
C.	8
D.	6
Answer» C. 8

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