Complete the series: 15, 13, 11, 14, 17, _____?
Complete the series: 15, 13, 11, 14, 17, _____?
Explanation
The pattern appears to be a repeating sequence of:
-2, -2, +3, +3, -4, -4
15 (-2) = 13
13 (-2) = 11
11 (+3) = 14
14 (+3) = 17
17 (-4) = 13
The pattern appears to be a repeating sequence of:
-2, -2, +3, +3, -4, -4
15 (-2) = 13
13 (-2) = 11
11 (+3) = 14
14 (+3) = 17
17 (-4) = 13