Question
Find the wrong number in the given number series.
5, 10, 20, 40, 85, 160Solution
Check the pattern:
5 × 2 = 10
10 × 2 = 20
20 × 2 = 40
40 × 2 = 80 (but given 85 ❌)
80 × 2 = 160
Wrong Number = 85
Correct Number = 80
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