If 8 @ 4 @ 2 = 1 and 27 @ 9 @ 3 = 1, then49 @ 7 @ 7 = ? – McqOptions

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1.	If 8 @ 4 @ 2 = 1 and 27 @ 9 @ 3 = 1, then49 @ 7 @ 7 = ?
A.	2
B.	–1
C.	3
D.	1
Answer» E.

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