The odd term out in the series 15, 16, 34, 105, 424, 2124, 12756 is Option 1: 105 Option 2: 16 Option 3: 2124 Option 4: 34

Answer: 2124. Solution: The series goes like this =(the numberx n)+n to give the next number, where n is consecutive first natural numbers. (15x1)+1=16 (16x2)+2=34 (34x3)+3=105 (105x4)+4=424 (424x5)+5=2125 Hence, 2124 is the odd term out in the above series.

Logical Reasoning

Logical Sequence

Medium

The odd term out in the series 15, 16, 34, 105, 424, 2124, 12756 is

105

2124

✅ Correct Option: 3

The series goes like this $=(\text{the number}\times n)+n$

to give the next number, where $n$ is consecutive first natural numbers.

$(15\times1)+1=16$

$(16\times2)+2=34$

$(34\times3)+3=105$

$(105\times4)+4=424$

$(424\times5)+5=2125$

Hence, $2124$ is the odd term out in the above series.

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