48, 72, 104, 144, 192, 251Â
ATQ, 48 + (8 X 3) = 72 72 + (8 X 4) = 104 104 + (8 X 5) = 144 144 + (8 X 6) = 192 192 + (8 X 7) = 248 Therefore, '248' should come in place of '251'.
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