Câu đố vui (no.1)

Kiến thức tổng hợp 14/09/15, 08:41

  Find number in the series - 6, 8, 12, 20, 36, ? Which number replaces the question mark ? . . . . . . . . Answer Here, as you move down, multiply each number by 2 and subtract 4. It can be obtained by following method: (6 x 2) - 4 = 8 (8 x 2) - 4 = 12 (12 x ...

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