In the series below one of the terms following the sequence is wrong. Find out the wrong option:

11111, 235656, 39816561, 41625665536

This question was previously asked in
RRC Group D Previous Paper 7 (Held On: 25 Sep 2018 Shift 1)
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  1. 41625665536
  2. 39816561
  3. 235656
  4. 11111

Answer (Detailed Solution Below)

Option 3 : 235656
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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The pattern followed here is as follows,

Here, each term is a series. In each series the number is followed by its square. and this is repeated generally four times depending upon the number of digits required in each term.. Also, the number if digits in each term are in increasing  order. [They are 5, 6(+1), 8(+2) and 11(+3) respectively]

From the pattern followed “235656” is the wrong term in the series. 

The correct series is as follows,

Hence, “235656” is the wrong term in the series.

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