If, 1*2= 1, 2*3= 1 and 3*4= 5, Then find the value of 7*9= ? – McqOptions

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1.	If, 12= 1, 23= 1 and 34= 5, Then find the value of 79= ?
A.	-47
B.	-29
C.	-2
D.	-9
Answer» B. -29

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