Complete the series: 18, 13, ________, 3.
Complete the series: 18, 13, ________, 3.
Explanation
The pattern decreases by 5, then 5 again:
18 → 13 (minus 5)
13 → 8 (minus 5)
8 → 3 (minus 5)
The pattern decreases by 5, then 5 again:
18 → 13 (minus 5)
13 → 8 (minus 5)
8 → 3 (minus 5)