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Select the option that is related to the third number in the same way as the second number is related to the first number.56 : 30 :: 78 : ?
30 $$\times$$ 2 - 4 = 60 - 4 = 56Similarly,41 $$\times$$ 2 - 4 = 82 - 4 = 78$$\therefore$$ The correct answer is option B.
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