Question
Find the wrong number, in the given number series.
320, 160, 80, 50, 20, 10Solution
ATQ,
Observe the pattern:
320 → 160 → 80 → 50 → 20 → 10
Check step-by-step:
320 ÷ 2 = 160 ✅
160 ÷ 2 = 80 ✅
80 ÷ 2 = 40 ❌, but we have 50 ❌
So 50 is incorrect.
Then:
Correct sequence:
320 → 160 → 80 → 40 → 20 → 10
✅ Wrong number: 50
✅ Correct number: 40
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