??
What number comes next in this sequence:
2 · 5 · 9 · 19 · 37 · ?
workings hint hide answer print
www.brainbashers.com
Answer
75.
Alternately double plus one, double minus one.
What number comes next in this sequence:
2 · 5 · 9 · 19 · 37 · ?
workings hint hide answer print
www.brainbashers.com
Answer
75.
Alternately double plus one, double minus one.