If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 – McqOptions

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1.	If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?_x005F_x000D_
A.	15
B.	12
C.	18
D.	7
Answer» E.

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