Question
Find the wrong number in the given number series.
7, 9, 16, 12, 25, 15, 36Solution
ATQ,
Alternate addition pattern:
7 β +2 β 9
9 β +7 β 16
16 β -4 β 12
12 β +13 β 25
25 β -10 β 15 β Wrong
Correct should be:
25 β -6 β 19
19 β +17 β 36
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