If 64 # 53 × 2 = 13 and 13 # 7 × 1 = 7, then 4 # 8 × 19 = ? – McqOptions

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1.	If 64 # 53 × 2 = 13 and 13 # 7 × 1 = 7, then 4 # 8 × 19 = ?
A.	15
B.	23
C.	-31
D.	-39
Answer» B. 23

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