If 20Î”30 = 5, 90Î”40 = 13 and 20Î”20 = 4, then find the valu – McqOptions

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1.	If 20Î”30 = 5, 90Î”40 = 13 and 20Î”20 = 4, then find the value of 90Î”80 = ?_x005F_x000D_
A.	14
B.	20
C.	16
D.	17
Answer» E.

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