Find the incorrect number from the series 16,19,21,30,46,71,107
Answers
Answered by
11
I think 71...... ...
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Answered by
10
the right answer is 19.
solution-
107 - 71 = 36 -> 6x6
71 - 46 = 25 -> 5x5
46 - 30 = 16 -> 4x4
30 - 21 = 9 -> 3x3
21 - 19 = 3 it should be 4-> 2x2 i.e. = 17.
then 17 - 16 = 1 -> 1x1.
So, the incorrect one is 19.
solution-
107 - 71 = 36 -> 6x6
71 - 46 = 25 -> 5x5
46 - 30 = 16 -> 4x4
30 - 21 = 9 -> 3x3
21 - 19 = 3 it should be 4-> 2x2 i.e. = 17.
then 17 - 16 = 1 -> 1x1.
So, the incorrect one is 19.
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