Question
In the given number series, find the wrong number.
120, 60, 30, 15, 7.5, 3.25, 1.875Solution
ATQ,
Pattern: Divide by 2 each time
120 ÷ 2 = 60
60 ÷ 2 = 30
30 ÷ 2 = 15
15 ÷ 2 = 7.5
7.5 ÷ 2 = 3.75, not 3.25 ❌
→ So, 3.25 is wrong.
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