Multiple choice

Directions: Find the wrong term out of the series. 8, 14, 26, 48, 98, 194, 386

  1. 14

  2. 26

  3. 48

  4. 98
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is x*2 - 2: 8*2-2=14, 14*2-2=26, 26*2-2=50 (not 48), 50*2-2=98. Thus, 48 is the wrong term.

AI explanation

The underlying pattern multiplies the previous term by 2 and then subtracts an increasing even number. The sequence of operations is times 2 minus 2, times 2 minus 4, times 2 minus 6, and so on. The terms should be 8 times 2 minus 2 equals 14, 14 times 2 minus 4 equals 24, and 24 times 2 minus 6 equals 42; because the series lists 26 and 48, the correct term replacing 48 based on the established pattern up to 24 is 42, so the question intends for you to find that 48 disrupts the standard progression. Therefore, the first deviation from the multiply by 2 and subtract 2, 4, 6 rule occurs at 48, which should have been 24 times 2 minus 6 equals 42, making 48 the wrong term.

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